three extension tube sections

The standard thread size fits the Crain Nos

Blade Length: 12" (304

The tool glides on three rollers and cuts a uniform grooving depth

The favorite tool for decorative concrete prep and applications

U-Shape Grooving Blade 2.5MM (10 pack) 18" Flexible Blue Steel Pool Trowel three extension tube sectionsU Shape Grooving 2. 5MM Blades for Pull Groover. Includes a ten pack of 2. 5mm standard profile U Blades that fit the Pull Groover and other popular hand groovers. The blades are ground on the front and back sides to produce two grooving edges. They are made from high carbon steel, then hardened and ground to produce sharp, long lasting edges. A durable 10 pack clear plastic container snaps closed for storage.