1.75 in. ci Prong Washer

Plasti-Grip ci prong washers can be used to attach all types of rigid foam insulation and mineral wool. Can be used with nails, screws or tapcons. Attach insulation to any substrate; wood, steel, or concrete, using the Plasti-Grip washer with the proper fastener.”,”highlights”:[“Helps attach all types of rigid foam insulation and mineral wool”,”Pre-spotting prong averts the need of fastener preassembly”,”Ideal for use with nails, screws, or Tapcons”