-Full metal driver ensure durable and good weight in your hand;
-The telescopic extension rod inside ensure you can have two long to get the deep holes;
-Anti-slip area ensure the precision work.
Magnetic Durable Bits
-The material of the bits: Alloy S2 Steel;
-Dimensions:4mm shank and 45mm length;:
-Weakness magnetic on the tip to hold small screws;