DuBois 4PK Mini Track Hold Down Clamps Woodworking Series, 3-3/4" x ¾ Reinforced Plastic Clamps with Steel -Bolts, 51045-

:  (4) 5/16-inch 18 thread t-bolt, (2) thumb knobs, (2) swivels and (2) hold down clamps :  Offers high quality clamping action for your woodworking t-track system configurations and assemblies :  Provides versatility when securing workpieces quickly and easily to benchtop router tables, drill presses, workshop jigs, panels, and more :  Each clamp features a textured black finish and a reinforced plastic construction designed to prevent slippage or potential damage to your workpiece :  Clamp – ¾” x 3-3/4” | Knob – 1” in diameter x ¾” tall with steel insert | Steel -Bolt – 3-1/2” | Swivel – 5/16-18”