PACKAGE INCLUDED: 1pcs knurled screwdriver bit holder + 2pcs adjustable length Screw Drive Guides, meet the needs of driving screws in different situations
FUNCTION: The Screw Drive Guides are not just bit tip holder, its self-retracting guide sleeve can slide to cover the long screw and helps to position the screw while driving screws. Get this to save screws from wobbling and fingers from getting damaged!
MATERIAL: The knurled Screwdriver Bit Holder material:stainless steel; 2pcs Screw Drive Guides extension material: aluminum, sturdy, withstanding high pressure
DESIGN: Interface come with locking mechanism and built-in magnetic, easy to lock the screwdriver bits more tightly
APPLICATION: Used for screwdriver bits, drill, batch head and other tools for the conversion, hex shank can fit power drills chuck, 1/4" impact drivers and hand-held drivers.
