Insulation washered fasteners to secure insulation panels from 25mm to 130mm. for use with ICCONS GTIXF-160Cinsulation fastening tool and most low-velocity powder actuated tools assembled with an insulation fastener kit attached. This pre-assembled drive pin is the fastest insulation panel fixing method, making it ideal for fastening insulation onto ceilings, walls and facades.                                                                                         Size: 25mm                                                                                                  Quantity: 20 fasteners per pack