TIEN-I's bit impact sockets have various lengths for different working situations. Now there are three main types: Star, Hex, and Triple Square screw. The bit impact sockets are forged from the finest Nickel Chromium Molybdenum Steel (SNCM / AISI 8660) to extend the life of fastener with Manganic Phosphate Finish. All meet or exceed the DIN or ISO standard.
There are our sizes of bit impact sockets for your reference; you may choose the sizes you would like and make them a ideal set in your market. In addition, you may refer to our bit impact socket sets as below.