The Senco DS55-M1 DuraSpin Auto-Feed attachment turns your standard screwdriver into a collated screw system capable of driving screws diameter 3.5-5.5mm from 25-55mm in length The Senco DS55-M1 attachment is a screw fastening attachment that fits different existing screwdrivers in the business, such as the: Makita FS2300, FS2500, FS4300, FS6300 and DFS452. It bring the DuraSpin technology to the tool you already own and trust. The new DuraSpin Auto-Feed attachments turns your standard screwdriver into a collated screw system. This attachment is helping the user save money while still being able to experience great DuraSpin efficiency. Capable of driving screws diameter 3,5-5,5mm from 25-55mm in length. Ideal for many applications in wood and/or metal. Features: Adjustable depth-of-drive with depth lock Detachable feed system for easier reversing Tool free adjustable nose-piece Corner-fit feed system, Feed on return Comes With:  2 x Senco bits (EA0301, EA0300) Specification: Screw diameter: 3.5-5.5mm Screw length: 25-55mm Fastener type: Collated Screws Includes case: No