TurboShear Backerboard Shear Features: Cuts 1/2" (13 mm) backer board Fast straight cuts and arcs with less dust! The TSF2 TurboShear also navigates curves for window and door arcs! Now turn your power drill into a "Backerboard Shear"! Malco's unique pending TSF2 TurboShear attaches to your existing cordless or A/C drill to go where the work is. One-hand operation to go anywhere Versatile TSF2 TurboShear accessory fits most 14.4 V or larger cordless or standard A/C power drills for easy operation anywhere on the job site. A heat-treated high carbon steel blade and reversible skid plate assure long service life. Blade and skid plate are also replaceable. Wide skid plate design stabilizes TurboShear TSF2 for precise, clean cuts in backer board up to 1/2" (13 mm) thick. The TSF2 also cuts 5/16" (8mm) fiber cement siding. DID YOU KNOW? The original model name was TSFC. Now with an expanded line of popular TurboShear tools, the new name for this preferred backer board shear is TSF2.