CRL 1-1/8" x 1-1/8" x 4" Silicone Rubber Setting Blocks Quantity:Pack of 100 It can also be used

It can also be used on all types of bathroom surfaces to remove lime scale

Cannot be used in drills with smaller chucks

Ingredient Disclosure

and chipping

CRL 1-1/8" x 1-1/8" x 4" Silicone Rubber Setting Blocks Quantity:Pack of 100 It can also be usedCompatible 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.