Made of steel, the spiral ligament design paired with a smooth grinding process effectively removes chips, ensuring smooth drilling and extending tool life. The set provides comprehensive specifications to meet diverse needs. Key benefits and features Durable steel construction with a spiral ligament design and precision grinding Reduces chip buildup during drilling Delivers smooth drilling performance and longer service life Comprehensive specifications to cover a wide range of tasks Optimized hex socket handle for higher efficiency and stability Designed to increase drilling efficiency Improves operational stability Well suited for woodworking, counterboring, and screw adjustment 20piece set compatible with pneumatic screwdrivers Allows easy switching between 18 screwdriver positions Supports multiple operations including drilling, tightening, and adjustment Helps boost work efficiency in everyday tasks Simple snapon adapter and position with userfriendly design Installation and disassembly require no complex tools Included wrench enables quick replacement, saving time and effort Practical applications Woodworking and furniture assembly Drilling smooth holes, countersinking, and quick screw driving for assembleandfit tasks Cabinetry and carpentry projects Efficient counterboring and precise screw adjustments in tight or awkward spaces Workshop maintenance and onsite repairs Rapid bit changes and reliable performance for quick repairs and installations Compatibility and specifications Material: steel Design: spiral ligament with smooth grinding Handle: hex socket, optimized for efficiency and stability Set: 20 pieces, compatible with pneumatic screwdrivers Positioning: 18 screwdriver positions Function: drilling, tightening, and adjustment Quickchange: snapon adapter and position; includes wrench for replacements This description retains the original product's brandconsistent specifications and functions while presenting clear, customerfocused benefits and realworld use cases.