CRL 1-1/8" x 1-1/8" x 4" Silicone Rubber Setting Blocks Cleaners Polishes and Protectors The CRL Stiff Putty Knives

The CRL Stiff Putty Knives in a Countertop Box are good quality putty knives with steel blades set into a plastic handle

pavement/floor joints

and is paintable after a 72 hour cure

The plastic handle acts as a reservoir and designed for longevity

Powerful Variable Speed 5 AMP Motor Produces 0 to 3

CRL 1-1/8" x 1-1/8" x 4" Silicone Rubber Setting Blocks Cleaners Polishes and Protectors The CRL Stiff Putty KnivesCompatible 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.