PORTER-CABLE Bare-Tool PC18CSL 18-Volt Cordless 6-1/2-Inch Circular-Saw with Laser Guide (Tool Only, No Battery) Batteries and charger sold separately On-board, adjustable laser guide shows cut path on any surface, improving guidance and accuracy 6-1/2-inch blade allows cutting of 2-inch lumber at a 45-degree bevel Operates at 3,700 RPM, powering blade cutting tip at 9,950 feet per minute Cordless for convenience and ease of use