Johnson RockRipper® with Structo-Cast® Head & Perforated Aluminum Blade Sealant 70-inch front to back)

70-inch front to back)

cleaner cut

and most importantly less pain while working

Heavy duty double layered fabric

Smooth winding 5-gear drive chalk line with gasket sealed die-cast aluminum case and braided Ultra-Thin snap line

Johnson RockRipper® with Structo-Cast® Head & Perforated Aluminum Blade Sealant 70-inch front to back)No jobsite is too tough for Johnson's RockRipper drywall square. Its blade is made of extruded aluminum for maximum durability, while its molded, high impact Structo Cast head will stand up to the worst jobsite abuse. This drywall square was also designed to keep your work moving smoothly and easily. It features a hand grip and board guide, while the perforation on its 24" blade helps you make fast, efficient scoring. Finally, its screened, thermal