Slotted 1.0/1.5/2.0/2.5/3.0/3.5/4.0 H4×28mm Screwdriver Bits Set 4mm 3/25 Inch Hand Tools Key iPhone Call Phone Repairing

Description:

-magnetic head Hex Shank  screwdriver bars.

-S2 high quality steel, this batch of head using S2 high quality steel, batch head surface for silvery , from inside to outside are the same.

-Exquisite workmanship, each edge can be accurately locked screws, and the screwdriver head.

-Strong magnetic,can suck the screws easily when used it.

-Widely used for manual electric screwdriver, screwdriver, drill, air and other tools, ect.

-Professional multi size, hexagonal handle on the edge of 3/25" inch(4mm).

Specifications:

Type of shank:3/25" inch(4mm) hex shank

Size:Overall length.: 28mm

Material: S2 Alloy Steel

Surface for nickel plating