The adjustable replacement tool rest sharpening jig allow you to locate all basic sharpening positions with your bench grinder (grinder not included) Solid aluminum sharpening jig provides you with a smoothly sliding, side to side action when sharpening. miter slide tool holder design allows jig to be used as a stone, guiding your blades effectively It is replacement for factory tool rest that comes with many bench grinders. The jig offers much more flexibility in terms of what you can get done than with standard factory tool rest. The plate is offset for short chisels, such as Japanese or western butt chisels The sharpening jig can be used with 6in or 8in bench grinders and on many belt , grinders. It quickly and easily mounts directly to bench in front of grinder with a track design base and can be readily folded out of way for grinding if so desired. It can also be completely removed by loosening large wing knob and sliding jig from track base The adjustable sharpening jig is compact in size that can be easily carried around and install for convenient use Color:As Shown Material:Metal Package Contents: 1set * bench grinder tool rest Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.