Features Jadeshay Voltage Controller - 4000W SCR Electric Voltage Regulator Dimmer Temperature Motor Speed Controller with Fan Feature: Excellent Material: All metal structure, this woodworking hole table rail bench dog is made of excellent aluminum alloy, with perfect workmanship, fine processing, anodized treatment. Easy to Use: The bench dog provide a firm clamping force in the rail, applying the clamping pressure to any location along the flush mounted T slot T rail. Fast And Effective: The bench dog clamp tenon fit accurately into 3/4in holes and clamps very tightly without removing the hole. Fast and convenient without the need to use a knob holding clip under the table. Wide Application: This dog hole clamp tenon is perfect for a wide range of universal woodworking tasks, including milling, cutting, and grinding, useful and practical. Enrich Woodworking Journey: Whether you're a master or a beginner, bench dog clamp tenon will provide you with an enriching experience. With them, your workbench gain a new boost of energy. Specification: Item Type: Bench Dog Clamp Tenon Material: Aluminum alloy packing list: 2 x Bench Dog Clamp Tenon Package List