Air Hammer Quick Release Chisel Holder This New chisel holder makes it quick and easy to switch out chisels. Simply slap the chisel in to attach and slide the collet to release! The chisel holder accepts 0.401 Parker type taper shaft chisels and features a precision machined carbon steel body for added durability. Take the hassle out of changing chisels and work longer with this chisel holder! Holds 0.401 Parker type taper shaft chisels Fits onto 1-3/16"-8 TPI threads and locks with three set screws Forged and precision machined carbon steel body This Listing is for just the quick release chisel holder ~ not the air hammer