·Front and rear locating surfaces are parallel within ±.0004" (±0.01mm) ·Allows short parts to project past the chuck jaws, providing clearance for facing operations. ·24mm slot width is compatible with most 3 jaw chucks. ·Interlocking design coupled with three strong magnets holds stops securely in place - much safer than using parallels. ·Anodized aluminum finish provides good wear-resistance.
·Mounts squarely against chuck face providing a fixed surface for workpieces to locate against.