CRL 1/4" x 1-1/8" x 4" Silicone Rubber Setting Blocks Flashing the strongest possible bond will

the strongest possible bond will be attained

and built-in ladder hook

resealable screw-on nozzles with a screw-on cap for convenience and product savings

and a comfortable pistol grip for easy handling

CRL 1/4" x 1-1/8" x 4" Silicone Rubber Setting Blocks Flashing the strongest possible bond willCompatible with, and Will Not Discolor, Most Silicone Sealants Can Be Used for Food and Computer Related Applications 80 Durometer Hardness These CRL Silicone Rubber Setting Blocks have superior durability, are U. V. resistant, and are compatible with most silicone sealants. They will not discolor the silicone should the two come in contact with each other. Job specific testing prior to start up is recommended with each silicone sealant manufacturer.