HomeHand Rollers/StitchersRollers, Porcupine MR05580 Porcupine Roller 3″ dia. (D) (76.20 mm) 3/4″ width (W) (19.05 mm) 3 rows of pins, 32 pins per row 1/4″ pin extension (6.35 mm) 10″ wood handle (254 mm) with safety guard Package Qty 6 Weight (lbs) 1.563 Weight (kg) 0.710