About This ?륪ulti-Tool Configuration?멦he professional-grade spade drill bit extension set includes 2pcs 1/4" hex-shank extensions (6" and 12" lengths) and 2횞 heat-treated hex keys. Optimized for wood spade bit extension tasks, this dual-length system adapts to confined spaces with surgical precision. ?륝ross-Platform Fit?멐ngineered for 99% of 1/4" hex shank drill bits, this spade bit extension set seamlessly can tackle overhead fastening or deep cavity drilling without bit slippage. ?륱ust-Defying Build?멑orged from high-carbon steel, the spade drill extensions undergo strict product testing. Micro-knurled grip zones enhance torque transfer by 30% while preventing rotational wobble during heavy-load operations. ?륳ime-Saving Design?멦he hex shank extension kit reduces tool-swap frequency by 60%. Magnetic tip retainers ensure swift spade bit changes even with gloves, especially ideal for woodworking. ?륯ro & DIY Ready?멬hether servicing industrial machinery (spade bits for wood in production lines) or home deck projects, the 12" extension reaches 18" deep cavities. Reverse-thread locking collars prevent accidental disengagement mid-task. Overview Material : Carbon Steel Finish Type : Silver Shank Type : Hex Shank Quick-Release Cutting Angle String : 92 Degrees Brand : YOKOCUT