-CRV carbon steel, this batch of head using CRV carbon steel, batch head surface for steel material color, from inside to outside are the same.
-Exquisite workmanship, each edge can be accurately locked screws, and the screwdriver head.
-Widely used for manual electric screwdriver, screwdriver, drill, air and other tools, ect.
-Professional multi size, hexagonal handle on the edge of 1/4 inch.
Specifications:
Type of shank: 6.5mm/ 1/4 inch hex shank
Flexible Extension Bit Shaft Size: 300 x 6.3mm/ 11.8" x 0.25"(L* W)
Material: CRV Carbon Steel
Hexagon Socket: 5mm/6mm/7mm/8mm/9mm/10mm/11mm/12mm
Package Includes:
8 x Hexagon Socket
1x Flexible Extension Bit Shaft