Jet 70431-2 31-Inch Parallel Clamp 2 Pack The precision rule measurement system provides a consistent setup and quick identification of opening capacity Jet's exclusive slide-glide trigger makes precise adjustments rapidly The ergonomic SUMOGRIP handle integrated with soft grip for added comfort and increased power Jet's Moveable rail stand and end stop helps preset clamping capacity rapidly and accurately Extra wide non-marring jaw faces ensure even clamping pressure. Lifetime Warranty