wiha Soft Finish(R) Ball Point Hex Driver 4.0 with Magic Spring 367R040 1 piece

Catalog number: 367R040 Features: ● Comes with a soft finish [R below] handle that is non-slip in the palm of your hand. ● Boasts excellent durability thanks to advanced heat treatment technology. ● Comes with a magic spring function that clamps and holds the screw hole from the inside using a retainer spring. Uses: ● Screw tightening of hexagon socket bolts Specifications: ● Opposite side dimension (mm): 4.0 ● Shaft length (mm): 100 ● Total length (mm): 211 ● Comes with magic spring Material/Finish: ● Shaft: High-grade chrome vanadium molybdenum steel ● Grip: Resin