CRL 2" x 4" Suction Base Drilling Oval Ring with Plug Silicones and masonry)

and masonry)

The Standard Backer Rod Insertion Tool is designed for the following applications: Masonry expansion wall joints

If it does not light on either side

Designed for interior use only

you can tell it's a high quality product

CRL 2" x 4" Suction Base Drilling Oval Ring with Plug Silicones and masonry)Instantly Creates a Coolant Dam Slanted Walls Helps Stop Splashing Cleans Easily Won't Rust! Use our CRL Suction Base Drilling Rings for drilling glass whenever you use coolant or carbide grain. Made of a special rubber compound that wont break the glass if accidentally dropped on it. Easy to use, just wet the base with coolant or glass cleaner and press onto the glass. Four sizes of round rings, plus an oval shaped ring for drilling dual outlets.