Share: Like Tweet Pin it Fancy +1 Email. STRAIGHT & CLEAN CUTS - Snapper Shear cuts up to 1/2” thick Hardiebacker fiber cement under layment; DUST-FREE- Unique backerboard shear … Faster, cleaner, … Snapper Shear SS424 HardiBacker Backerboard Shear PacTool Specs: Part Number: SS424 Item Weight: 10.8 pounds Product Dimensions: 17.5 x 13 x 4.7 inches Item model number: SS424 Power Source: … DUST-FREE- Unique backerboard shear design allows for both indoor and outdoor operation. ... PacTool International SS424 Snapper Backerboard Shear… PacTool International SS424 Snapper Backerboard Shear. PacTool International SS424 Backerboard Shear ... blade and a diamond blade set of hole saws but 98 percent of the cuts can be made dustlessly and accurately with these snapper shears. PacTool International SS424 Backerboard Shear Description. PacTool International SS424 Snapper Backerboard Shear. POWERFUL MOTOR- Backerboard Snapper Shear boasts a contractor grade 6.5-amp motor. ... NEW PacTool Snapper SS424 1/2-inch 6.5-Amp 110-Volt Hardi Backerboard Shear… Use indoors without covering the house in dust, easy clean up!