Johnson RockRipper® with Structo-Cast® Head & Perforated Aluminum Blade

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-bonded black 1/8" and 1/16" graduations are easy to read even in poorly-lit conditions.

• Perforated (1/16" offset) 24" blade accepts utility knife point for fast, efficient drywall scoring

• Molded high impact head with hand grip and board guide

• Screened, thermal-bonded black 1/8" and 1/16" graduations

• Large, bold easy reading graduations

• Extruded aluminum blade assures durability