The guide leg has a rounded end for following the contour without scratching

The 8 serrations on the bit (4 on each side) moves the aggregate out of the groove for stronger concrete

A bright red sight guides the user for creating a straight line

This Turbo Groover provides an excellent sturdy groove for any installer and works exceptionally well with Altro flooring

Crain 628 1/4" Glue Tip manual gunite bender The guide leg has aThe No. 628 1 4" nozzle is crimped on the end to form a thin opening approximately 1 32" (0. 030") x 7 32" (0. 215") to deliver a thin cross section of hot melt adhesive. It is good for precise edge sealing work. Attaches to either Crain No. 203, No. 204, or No. 207 Glue Guns or others guns with standard size thread. Thread size: 7 16" major diameter 20 threads per inch. In operation, this nozzle and melted glue are very hot, up to 400F. Users should