Human Grade Grinder 4R (2.5") works with 10mm parts It's easy to take your

It's easy to take your dabs on the go because all you need is one accessory

spin it all around

the tapered middle is easy to grip

To boost the potency of every rip

Human Grade Grinder 4R (2.5") works with 10mm parts It's easy to take yourThe Human Grade 2. 5" (63mm) 4 Piece Grinder with a rubberized coating offers a secure, comfortable grip and a sleek modern finish. Designed for smooth, efficient grinding, it features precision teeth, a pollen catcher, and durable construction built to last. Retail Unit: One (1) Grinder Pieces: 4 (Four) An upper chamber, grinding chamber, pollen screen, and a bottom chamber for collecting the finer particles Size: 2. 5" (63mm) It's the perfect size