This universal workbench holder allows working hands-free while doing jewelry or watch repairs, engraving, and other crafts.

Four movable pins and knobs allow easy adjustments to securely grip large and small jewelry pieces to hold whatever you are working on, leaving both hands free to work. The sturdy 3-1/2 inch base has 3 holes for bench mounting, Includes eight 13 mm pins. Maximum height of 4-1/4 inches.