CRL 1/8" x 1" x 4" Thermoplastic Rubber (TPR) Setting Blocks Razor Blades & Scrapers Cutting heads are interchangeable and

Cutting heads are interchangeable and simply snap in and out for straight or pattern cutting

the unique intumescent property (expanding when heated) means that as cable and pipe insulation is consumed by fire

a protective film remains which retards discoloration

Holds Standard Cartridges

CRL 1/8" x 1" x 4" Thermoplastic Rubber (TPR) Setting Blocks Razor Blades & Scrapers Cutting heads are interchangeable andCompatible With Silicone, Butyl, Polyurethane, and Polysulfide Sealants UV Stabilized CRL Thermoplastic Rubber (TPR) Setting Blocks are compatible with almost anything, meaning you can use them in designs calling for the use of modern structural glazing sealants. They are formed of a 90 durometer shore hardness thermoplastic rubber that performs as well as traditional neoprene setting blocks. They are available in the most popular sizes of neoprene