Bosch SG450AF 120-Volt 4500 RPM AutoFeed Screw gun Compact Ergonomic Design-Contoured grip increases comfort and control to drive screws all day High Torque Gearbox-For driving screws into hard woods and materials Interchangeable Bit Tip and TEK Nose-Versatility for multiple jobs with a single tool Variable Speed Trigger-With forward-reverse lever for increased control Includes: Auto-Feed attachment which holds screw strips and feeds into work contact elements