Photo 1 of Tandefio 16 Pcs 1/4"-20 x 3/4" Thumb Screw Thread Stainless Steel Thumbscrew Adjustable Tee Wing Screw Black Wing Knob Bolt for Remove Replace Hand Clamping Tightening Knob Power Supply

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Photo 1 of Tandefio 16 Pcs 1/4"-20 x 3/4" Thumb Screw Thread Stainless Steel Thumbscrew Adjustable Tee Wing Screw Black Wing Knob Bolt for Remove Replace Hand Clamping Tightening Knob Power SupplyPhoto 2 of Tandefio 16 Pcs 1/4"-20 x 3/4" Thumb Screw Thread Stainless Steel Thumbscrew Adjustable Tee Wing Screw Black Wing Knob Bolt for Remove Replace Hand Clamping Tightening Knob Power Supply