This laser is designed for professional carpenters and drywall contractors. With the Prolaser T-Square, just slide it on the edge of the board, and cut along the laser line to mark exact 90-degree lines for free-form cutting. The Prolaser T-Square fits on all standard drywall, plywood, and composition boards, with a clip-on spring grip, 90-degree aluminum T-Square angle, pressure-activated power switch, and a molded rubber case that fits comfortably in the hand. The size of a standard tape measure, it can clip onto a belt as well.

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