1045 Barwalt KN-1 Replacement Parts by Barwalt KN-1 Replacement Parts Repl Liners (2pcs) for Barwalt Kneepads. Repl Gum Rubber Straps (4pcs) for Barwalt Kneepads. Repl Buttons (8pcs) for Barwalt Kneepads. . Posted in Barwalt, Barwalt Kneepads, Shop by Brand