Brand: Lisle Manufacturer's Part Number: 30190 Part Type: Sockets and Drive Bits Product Line: Lisle Screwdriver Bits Summit Racing Part Number: LIL-30190 UPC: 083045301905 Socket/Bit Style: Screwdriver Impact Rated: No Number of Pieces Included: 1 Socket/Bit Piece Count: 1 Ratchet Included: No Extensions Included: No Swivel Extension Included: No Socket Material: Steel Socket Finish: Black oxide Case Included: No Quantity: Sold individually. Socket Drive (application): 1/4 in. hex Screwdriver Head Type (application): Phillips Screwdriver Head Size (application): #4 Lisle Screwdriver Bits Seems like only yesterday that people owned two types of screwdrivers， a flathead and a Phillips. Modern fasteners， however， require an ever-expanding set of tools. Lisle carries a line of screwdriver bits in various head configurations and sizes. Whether you need just one replacement piece or an entire set for your drill， impact driver， or power screwdriver， you can find the well-made Lisle bits in the style for most every job.