Genuine Bostitch BT55/SX38-TIPS no-mar tip pack for compatible Bostitch BT1855 brad nailers and SX1838 pneumatic staplers. These replacement tips fit over the contact nose of the tool to help protect finished work surfaces from marking or damage during fastening. Ideal for replacing worn, damaged or missing original tips when working on trim, mouldings, furniture and other finished surfaces. Supplied as a pack of 6 no-mar tips.