Material. The magnetic rotary tool holder is made of high hardness chrome vanadium steel and is rust resistant.
Pros. Swivel holder has a 1/4" hex shank quick change/release holder that fits perfectly with any 1/4" hex shank screwdriver bit.
Convenience. The head can be rotated 20 degrees and the 20 degree rotation pattern allows for maneuvering in tight spaces for use in corners or tight places.
Package includes: 1PCS with Ring Magnetic Pivot Drill Bit (hex shank)
Use: Easy access to those hard-to-reach places like corners or tight places. Or just use it as an extender for the drill bit holder.