Features:
Magnetic Screwdriver Extension Bit Holder Kit includes 3 sizes to meet your need.
Suitable for any standard size screwdriver bits.
Ideal for electric, pneumatic screwdrivers and other screwdriver bits of power tools.

Specifications:
Material: Carbon steel
Color:As Pictures Show
Length: 60mm/2.36'',100mm/3.94'',150mm/5.91''(Approx.)
Shank diameter: 6.35mm(1/4inch)

Package include:
3pcs* Extension Bit Holder