The perfect clamp for gluing body blanks, soundboards and more. An impressively strong, easy to handle clamp that's ideal for guitar constructon: Gluing multi-piece body blanks Adding body "wings" to through-body necks Gluing soundboard and back halves for arched or flattop instruments Adding peghead "ears" to neck blanks Sturdy aluminum design makes this universal bar clamp much easier to maneuver than heavier, cumbersome steel clamps. It rests on your bench to hold your work, minimizing the chance of dinging your wood during setup. The strong spring-action moveable jaw works fast and easy, with the twist-resistant 1-3/8" x 7/8" notched bar passing through the jaw for excellent clamping rigidity. A big easy-grip 1/2"-diameter steel wing screw adjusts final clamping pressure. This clamp is rated up to 1000 pounds, more than capable of handling your guitar assembly jobs. Opens to 24" (610mm) with 1-5/8" (41.28mm) jaw depth. Made in USA.