This 8" groover features a bit that has a 1/4" radius and is 1" deep

Deluxe Wall Trimmer

And with a perfect fit for Edco 44-48" Power Trowel Machines

sheet ceramic tiles

16" Stainless Steel Pool Trowel w/ProForm Handle has 16" by 3" wide Swedish stainless steel troweling blade attached to 3" forged aluminum shank with camelback ProForm handle

U-Shape Grooving Blade 5MM (10 pack) Crain Floor Stripper This 8" groover features aU Shape Grooving 5MM Blades for Pull Groover. Includes a ten pack of 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.