Factory Seconds - Four Piece Stainless Steel Grinder 2.5"

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What are Factory Seconds?

Factory seconds are new products offered at a discounted price that have either minor surface blemishes, slight discoloration, or other cosmetic imperfections caused by machining or handling error. Whatever the irregularity, all products in this category have been inspected and still offer the same functionality and durability you’d expect from the entire Iaso Goods lineup. There are no defects which will impact the performance of these products.


  • Our biggest herb grinder, perfect for large doses and enjoying with friends
  • Constructed out of 100% Stainless Steel 
  • High quality 4 piece herb grinder made in the USA
  • Strong magnetic lid keeps the top and middle 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


  • One (1) large herb grinder 
  • One (1) 40 micron medium sift screen


  • Material: 100% Stainless Steel
  • Width: 2.5 (in)
  • Height: 1.8 (in)
  • Depth: 2.5 (in)

6 Reviews

  • 5
    Factory Seconds - Four Piece Stainless Steel Grinder 2.5"

    Published by Unknown on Sep 5th 2022

    I've owned this grinder for a month. This may be the perfect grinder. The craftsmanship is impeccable, grinds evenly and smoothly every time, easy clean (dishwasher safe) and it is absolutely built to last. I like the size of this grinder. My iasogoods grinder fits my hand well, which makes it easier to use. No fumbling with a grinder that's too small. I have no regrets about purchasing my iasogoods grinder.

  • 5
    The best!

    Published by Noughthing on Aug 7th 2022

    The best I have ever used or owned! Very sharp and smooth to grind, and you feel good about using it. Feels like it is truly built to last forever!

  • 5
    ༼ʘ̚ل͜ʘ̚༽ WOW - work of art. The best grinder ever!

    Published by William Transue on Jul 22nd 2022

    Best grinder ever, I bought the small one and was so impressed that I bought the larger one. Features stainless steel construction , very sharp, machined blades with a hollow grind. Triple parallel threading, 1/3 of a turn opens and closes both threaded fittings. Plastic slip ring is reduces grinding friction and reduces metal to metal contact (lid to container). Top and bottom have machined scalloped edges to provide better griping. Use with or without kief screen and center section. I bought blemished ones because I’m cheap; honestly I could not detect any defects, possibly one section appeared to be less highly polished…. no problem! Would buy again!

  • 5
    A pleasant grind, every time!

    Published by Unknown on Jul 18th 2022

    While it's a bit of a splurge, I say buy this if you can afford it. It works -flawlessly- and I don't have to worry about inhaling aluminum or who-knows-what from something cheaply built. I bought the factory seconds and have yet to find the flaw!

  • 5
    Best Grinder In The World

    Published by Unknown on Jul 17th 2022

    Hands down the easiest to use, and sturdiest grinder I have ever had the pleasure of using. Definitely the last grinder I'll ever have to buy.

  • 5
    10 star product product.

    Published by Josef sutphin on May 28th 2022

    My personal reasoning for buying a factory second: I wanted to evaluate this product as a possible go to high end present for friends and family. And personally I am fan of function over form so did not mind if it had any blemishes or machining errors on it. First Impressions: This was packaged beautifully the wood box(which I did not expect to get) has those clean sexy laser cut lines. The hand written note in the box brought an actual smile to my face. The weight feels great in my hands, I can not see nearly and blemishes or machining marks on. I did not smell or feel any machining oil on it but I decided to give at a light scrub with dish soap to be sure. First Use thoughts: I used some slightly dry dispensary herb opened day of use. The weight of the lid was nice and heavy and felt like it was helping in the crushing of the herb. The action on the grind is one of the smoothest things I have felt in my life. The consistency is nice and uniform no large nugget chunks or tiny dust like bits. Just a nice fine grind. Final Conclusions: This is one of the best product purchases I have ever made and do believe this will be the grinder I use for the rest of my life. And I do not mean that like I will only use IASO grinders. I mean that this grinder I have feels like it will outlive me. I was given no payment or considerations for this review and I am not one to review products normally. But this grinder is just so good I had to say something.

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