HomeHand Rollers/StitchersRollers, Porcupine MR06515 Porcupine Roller 2″ dia. (D) (50.80 mm) 2″ width (W) (50.80 mm) 7 rows of pins, 24 pins per row 1/4″ pin extension (6.35 mm) 10″ wood handle (127 mm) with safety guard Package Qty 1 Weight (lbs) 1.750 Weight (kg) 0.795