Four Piece Stainless Steel Grinder 1.75"

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  • Our smallest 4 part herb grinder, perfect for small doses and enjoying on the go
  • Constructed out of 100% Medical Grade Stainless Steel 
  • High quality 4 piece herb grinder made in the USA
  • Strong magnetic lid keeps the top and bottom piece securely attached
  • Sharp teeth for an easy and smooth grinding experience
  • Knurled top and bottom piece for exceptional grip and comfort 
  • Specially-designed curved bottom chamber for easy gathering of herb and kief
  • Dishwasher safe and easy to clean and maintain 
  • 100% Money Back Guarantee and Limited Lifetime Warranty
  • FREE SHIPPING on orders $100+ | Ships in 3-5 business days

Pro Tip: Add gift packaging for a Vermont-Made novelty wood puzzle box that perfectly complements this small grinder for herb

What’s Included:

  • One (1) small 4 chamber herb grinder 
  • One (1) 40 micron medium sift screen
  • For the 60 micron fine sift screen, add a request to your order notes during the checkout process


Our best-selling Stainless Steel 1.75” 4-piece herb grinder is ideal for those who enjoy smaller doses, plus the convenience of taking your medicine on the go! 

The weight and feel of this small herb grinder is durable and heavy duty. Unlike aluminum grinders, it is constructed of 100% medical grade stainless steel, making it ideal for medical patients and anyone who has health concerns using aluminum products. 

This small grinder with a kief catcher is built with the same design methods and technology used in aerospace and renewable energy fields. It is high quality, guaranteed to perform and last a lifetime.

This 4 piece grinder features our Patent Pending labyrinth seal design. With our exclusive labyrinth seal solution, the top and middle pieces of the grinder are specially sealed together so your herb stays securely inside – no spills and no lost herb to worry about.

Create the perfect grind with just a few turns of the grinder. Sharp diamond-shaped teeth will cut and grind your herb with ease, and knurled top and bottom pieces save you from excessive wrist strain.

This four piece grinder includes a kief catcher or pollen catcher that functions as a storage compartment for collecting kief.


A kief screen is a type of sift screen used to separate ground herbs from kief. An ultra fine stainless steel mesh screen allows the trichomes to pass through to the bottom chamber, while the bigger herb pieces remain in the catch chamber.

Our 4 piece grinder with a kief catcher features a sift screen and catch chamber on the bottom to collect those potent trichomes that fall off during the grinding process. The stainless steel sift screens are removable, allowing you to choose between fine and medium micron sizes. 

You can sprinkle these trichomes on top of a bowl, in a joint, or use it in cooking and baking your favorite meals and treats! 

The bottom chamber may double as a stash container for ready-to-go ground flower. Elevate your experience by upgrading to the best small 4 chamber grinder!


  • Material: 100% Medical Grade Stainless Steel
  • Width: 1.75 (in)
  • Height: 0.95 (in)
  • Depth: 1.75 (in)

► For a larger 4 piece grinder with a deeper grinding chamber, order our 4 Piece Stainless Steel Grinder 2.5"

► For a small grinder without a kief catcher, order our 3 Piece Stainless Steel Grinder 1.75”

► Add smoking accessories like a stainless steel storage container or a stainless steel chillum

► Save when you order one for you and one for a friend with our 2 Pack Four Piece Stainless Steel Grinder 1.75

If you have any questions or need any help, please visit our contact us page.


32 Reviews

  • 5
    Iaso Small Grinder

    Published by Hilary on Jan 13th 2021

    This grinder far exceeded my expectations. I was looking for a small, high quality grinder and I found this one mentioned in a “top 10 of grinders” on the web. I thought I’d give it a try and I’m not disappointed. It had the look and feel of exceptional quality, it grinds like a dream, effortlessly. The small touches like the angled storage section and the curved crystal catcher make it unique. It’s perfect for my handbag or pocket although it’s fairly weighty but that adds to its beauty. I don’t often write reviews but I am so pleased with it I thought I’d share my findings. I am in the U.K. and it came reasonably quickly considering it was coming up to Christmas and during the Covid lockdown.

  • 5
    Quality Product

    Published by J Reed on Jan 13th 2021

    Yes it’s expensive, but seriously good investment! When you hold the product, the price makes sense, exceptionally well made and performs flawlessly. Plus you’re only gonna need to buy it once as it will last a lifetime. Have recommended to all my friends.

  • 5

    Published by Matija on Jan 12th 2021

    The product is top quality ... I will definitely contact you again

  • 4
    This one works fantastic. I meant to get the wider one, but this one works absolutely great.

    Published by Na'eem on Jan 10th 2021

    Hope you guys get many blessings coming your way.

  • 3

    Published by Anne on Dec 16th 2020

    I love what it does but it is so small you have to re load it to many times and the lid is so thin I can't grip it to use it. It hurts to use it. You need to make it easier for old people with arthritis to turn the lid.

  • 5
    1.75 Grinder

    Published by Bob on Nov 28th 2020

    Very solid, excellent grinder. Extremely well made. Works exceedingly well. The 1.75 is a little bit small for my arthritic hands, so I bought the 2”, which is perfect. Someone’s getting the 1.75 for Christmas. BTW IASO is a great company. Great customer service!

  • 5
    Solid construction. Grinds smoothly. Perfect size for me.

    Published by Roy Hitzeman on Nov 6th 2020

    Great product. No issues with sticking. Seems like it will last me a lifetime.

  • 5
    Perfect grinder for bowls

    Published by Paul on Sep 24th 2020

    This is ‘the’ Grinder to own if you are smoking bowls, it grinds the perfect amount every time. The grinder is unmatched in quality, and can easily handle hash chunks. Overall this grinder is a keepsake that will easily last a lifetime. Pair this with a storage container for an eye stopping kit everywhere you go.

  • 5
    Four piece 1.75”

    Published by Cody beiersdorf on Aug 17th 2020

    Item works wonderfully and better than expected :) unfortunate that it doesn’t come in the magnetic box as advertised in every review I read before purchase and instead comes in a poorly constructed wooden puzzle box

  • 4
    Fantastic grinder, but get the bigger size!

    Published by Jenna on Aug 17th 2020

    I really love this grinder, but the 1.75" size is VERY small. For such a small grinder, it holds a ton of herb (I can get 2 handrolls out of one full chamber). I love the design and the way the top just glides! My only issue with the functionality of the piece is with the keef catcher at the bottom. It tends to twist off on its own, I wish it had a stronger magnet keeping it screwed in.

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