HomeHand Rollers/StitchersRollers, Porcupine MR05555 Porcupine Roller 1-3/4″ dia. (D) (44.45 mm) 1/2″ width (W) (12.70 mm) 2 rows of pins, 40 pins per row 1/8″ pin extension (3.18 mm) 5″ wood handle (127 mm) with safety guard Package Qty 6 Weight (lbs) 0.531 Weight (kg) 0.241