Cordless Rotary Tool GCU 18V-30. Thanks to its powerful brushless motor with a speed of 30,000 rpm, the GCU 18V-30 delivers performance all day long, cutting over 100 meters of a 12 mm thick drywall with a 1/8-inch (3.17 mm) bit and a single ProCORE18V 4.0Ah battery. Its compact, lightweight design allows for comfortable handling in all positions for longer, fatigue-free work. A dust-proof IP5X switch, which prevents drywall dust from entering, ensures a longer tool lifespan. The tool is suitable for flush drywall cuts near windows, doors, access panels, and outlets. It also cuts plywood, OSB, and ceiling tiles and is compatible with collets of sizes 3 mm, 6 mm, 1/8'', 5/32'', and 1/4''. The tool comes standard with 3 collets and a highly efficient dust adapter for a healthier and cleaner workspace. It also features a dust-proof IP5X switch that protects against fine drywall dust and premature tool failure, a powerful LED to illuminate the cutting area, a motor brake for immediate stopping of the cutter, and a belt clip to keep your tool by your side at all times. 3 x collets 3.17 mm (1/8-inch) / 3.96 mm (5/32-inch) / 6.35 mm (1/4-inch); 1 x suction adapter; 1 x drywall spiral groove cutter with guide tip, 3.17 mm (1/8-inch); 1 x multipurpose cutter 3.17 mm (1/8-inch); 1 x belt hook; collet wrench.