Now turn your power drill into a “Fiber Cement Shear”! Malco s unique TSF1 attaches to your existing cordless or A/C drill to go where the work is. Adjusts to fit both length and width of popular drill sizes including the more compact motor housings of lithium ion battery powered units. Fast cutting blades are specialized for fiber cement siding only. Wide skid plate design stabilizes all TurboShearFC models for precise, clean cuts, (including window and door arches), in fiber cement siding up to 5/16″ (8mm). Versatile TSF1 Turboshear fits most 14.4 V or larger cordless or standard A/C power drills for easy operation anywhere on the job site.