CRL 3/8" x 1-1/8" x 4" EPDM Rubber Setting Blocks All Purpose Cleaners & Protectors It is constructed of lightweight

It is constructed of lightweight anodized extruded aluminum

and Hard Vinyl

Use on Hand Rails

removing silicone-based car wax

CRL 3/8" x 1-1/8" x 4" EPDM Rubber Setting Blocks All Purpose Cleaners & Protectors It is constructed of lightweightStable EPDM Rubber Has Better Resistance to the Effects of Weather and Ultraviolet Rays 80 Durometer Hardness CRL EPDM Rubber Setting Blocks are more durable than Silicone Rubber Setting Blocks, and have better resistance to the effects of weather and ultraviolet rays. They have been used successfully in past glazing applications in conjunction with Saflex (PVB) interlayer laminated glass. The composition of the blocks makes them resilient, so that