Exclusive design provides precision and power with exact 90 clamping at up to 1 000 lbs. of pressure Precision-Rule measurement system provides a consistent setup and quick identification of opening capacity Slide-Glide trigger makes precise adjustments rapidly and easily Ergonomic SUMOGRIP handle integrated with soft grip for added comfort and increased torque Moveable rail stand/end stop helps preset clamping capacity rapidly and accurately Non-marring composite resin jaw faces is glue-resistant in design and ensures even clamping pressure Reversible clamping is possible due to the moveable jaw which can be reversed to be used as a spreader Side profile allows narrow clamping on the side of the jaw face Acme threaded handle turns easily and applies continuous pressure