Accurate 90degree alignment: Quickrelease positioning jig with a dependable interlocking mechanism keeps corners true during frame and joint assembly, preventing unwanted shifts and deviations. Dependable workpiece control: Slipresistant contact surfaces and a pressurelock feature provide stable hold, reduce readjustments, and enable singlehanded operation for precise results. Ergonomic and efficient: Springassisted opening delivers consistent clamping performance and easy pressing action, improving throughput and reducing effort. Broad compatibility and adjustability: Adjustable for different thicknesses, suitable for woodcraft, furniture making, and cabinetry tasks. Durable and compact design: Built for repeated use with solid construction and reliable hardware, while maintaining a compact footprint for small workshops. Use cases: Frame corner assembly for picture frames or mirrors. Glueup and alignment of cabinet panels and furniture joints. Door and drawer front alignment during installation.