Catalogue number: JB-40 Features: ●By attaching various tip tools, drilling and polishing work can be performed. ●Chuck key included. ●The chuck adapter insertion size is 6.35 mm hexagon. Uses: ●Attach to a rechargeable screwdriver for drilling holes with a drill, polishing with a grinding wheel with a shaft, etc. Specifications: ●Chuck capacity (mm): 0.3-4.0 ●Total length (mm): 63 ●Collet capacity (mm): 0.3-4.0 ●Aperture range: 0.3-4.0 mm Material/Finish: ●Special steel ●H class Set contents/Accessories: ●Chuck key
