Straight shank design: fits a wide range of electric drills and drilling rigs for versatile use in workshops, job sites, and home projects. High-speed steel construction: strong and durable for reliable performance and a long service life. Left-handed drilling direction: promotes downward chip discharge to reduce scratches on hole surfaces and improve drilling efficiency. Multiple sizes included: 5/64'' (2mm), 7/64'' (7mm), 5/32'' (4mm), 1/4'' (6mm), 19/64'' (7.5mm) — a selection that covers common small to medium hole needs. Key benefits Compatibility: Straight shank works with most standard drill chucks and drilling rigs, minimizing the need for adapters. Clean holes: Left-handed chip evacuation helps keep the work area cleaner and reduces surface damage in the drilled hole. Durability: High-speed steel offers consistent cutting performance and extended use before replacement is needed. Practical size range: Five sizes let you choose the right bit for pilot holes, fastener holes, and general drilling tasks. Typical applications Carpentry and furniture assembly: drilling pilot holes and mounting holes for screws and fasteners. Home maintenance and installations: creating holes for brackets, fixtures, and light-duty anchors. Workshop and repair work: general-purpose drilling tasks where clean, accurate holes and bit longevity matter. What you get A set of five straight-shank, high-speed steel drill bits in the sizes listed above, designed for dependable use with standard electric drills and drilling rigs.