48" x 4" Straight Arrow Serrated Concrete Groover, 1-3/4" Deep Bit Mop Rub Brick - 20 Grit w/o Handle The 4 serrations on the SK215R-4PK Shop the Crain 520 Kraft ProForm Power Trowel Blade
Baker’s notes & crumb story
Description
48" x 4" Straight Arrow Serrated Concrete Groover, 1 3 4" Deep Bit Mop Rub Brick 20 Grit w o Handle The 4 serrations on the SK215R 4PK Shop the Crain 520 Kraft ProForm Power Trowel Blade The 4 serrations on the bit (2 on each side) moves the aggregate out of the groove for stronger concrete This is the most popular tip for hot air roof seam welding