HomeHand Rollers/StitchersRollers, Porcupine MR05650 Porcupine Roller 1-11/16″ dia. (D) (42.86 mm) 11/32″ width (W) (8.73 mm) 3 rows of pins, 20 pins per row, center row staggered 3/32″ pin extension (2.38 mm) 5″ wood handle (127 mm) with safety guard Package Qty 6 Weight (lbs) 0.400 Weight (kg) 0.182