CRL 1/4" x 1-1/8" x 4" Silicone Rubber Setting Blocks Cleaning Supplies Maximum joint dimension is 1/2"

Maximum joint dimension is 1/2" x 1/2" (13 x 13 mm)

CRL Closed Cell Backer Rod is a round

CRL M66 conforms to and passes: Federal Specification TT-S-00230C

The EZ1010 goes to work when you lay the cutting blade flat on the glass surface and slide it into the glazing pocket

It will not stain or "bleed" into sealant material

CRL 1/4" x 1-1/8" x 4" Silicone Rubber Setting Blocks Cleaning Supplies Maximum joint dimension is 1/2"Compatible 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.