【Innovative Inertia-Driven Full-Stroke Operation】：Engineered with a unique inertia mechanism, this professional woodworking leg vise allows full-stroke expansion or retraction with a single swift pull of the handwheel. ideal for heavy-duty woodworking tasks that demand quick workpiece changes and efficient clamping workflows. 【Premium CNC Machined Construction】：Crafted from high-grade materials for lifelong performance: the handwheel and Φ30mm screw rod are precision-machined from 45# steel, while the integrated parallel X-bracket features CNC aluminum alloy construction. 【Stable 90-310mm Adjustable X-Bracket Support】：The one-piece parallel X-frame delivers exceptional stability with a height adjustment range of 90mm to 310mm. Equipped with 15-type linear rails and bearing end faces, it ensures smooth, wobble-free vertical movement and consistent clamping pressure. 【Heavy-Duty Load Capacity & Precision Engineering】：Built for professional woodworking demands, the kit features a robust 5.1kg handwheel assembly and a 1.9kg X-bracket, providing unmatched stability for large workpieces. 【Professional Workbench Upgrade Kit】：This complete leg vise kit is the ultimate upgrade for custom workbenches, suitable for professional carpenters, furniture makers, and serious hobbyists. Available in two handwheel finishes (chrome bright silver/black matte), it combines industrial strength with refined craftsmanship to elevate any woodworking shop or home workshop.