Extremely versatile auto-feed attachment for professionals driving screws in many applications. High torque motor delivers plenty of power to drive longest screws into the toughest materials. Features and benefits include sliding rail, corner-fit feed system, clip-free high strength bits, precise depth-of-drive adjustment with depth lock, and quick release for easy bit access. Applications include drywall (to wood or steel studs), subfloor, wood decking, composite decking, cement board, underlayment, sheathing to steel, metal framing, structural steel decking, rigid foam insulation. Compatible fasteners: screw lengths 1"-3", screw diameters #6-#12, screw types Phillips, square and hex drive. Length: 20.5" without pole, 39" with pole. Kit comes complete with SG2510 screwgun, industrial grade DS320 attachment, extension pole with secondary handle, spare drive bits, and a storage bag.