Our premium 1905 Wood Grinders deliver smoothly ground herb with every use. Durable and portable, these unique accessories are engineered to perfection. Pairs well with a RYOT PackRatz or a Piper. Styles Fly Grinder Slim Grinder Specs 2.91 (L) x 2.28 (W) x 1.18 (H) inches Features Walnut Body Steel Teeth Original Design Patented 1905 Magnetic Closure Guaranteed Not to Warp or Lose Pins 2 Piece Design