CRL 1/4" x 5/8" x 4" Neoprene Setting Blocks (100 pack) -SB573

CRL Neoprene Setting Blocks cushion and support glass, and act as a centering device for glass installed in channels. The neoprene composition of the blocks makes them resilient, so that glass cushioned by them can withstand vibration, shock, and heavy wind loads. A variety of sizes are available from stock. 
NOTE: May discolor clear and light colored silicones. Packed in quantities of 100 and 1,000..

The Preferred Method for Centering and Cushioning Glass | 80 Durometer Hardness | Special Sizes and Hardness are Available