Senco DS230 Screwdriver Attachment, Auto-Feed, Dimensions: 10.31 in L x 2.5 in W x 5.5 in H, Suitable for: EA0314, EA0315, EA0316 Drive Bits, SG2510, SG4100 SENCO Screwdrivers, and Fasteners, Includes: EA0300 and EA0301 Drive BitImproved line of sight and better corner accessScrews are in place before you drive for faster and more consistent performanceDetachable feed system for easier reversingSingle nosepiece for wood and drywall applications, with easy to read length markingsFor consistent flush drive or countersink (knob is on reverse side of attachment, not shown)For unmatched durabilityPrevents screw binding ensuring consistent feeding