Harbor Freight Tools


300 Amp Welding Ground Clamp

Super-durable zinc plated steel ground clamp

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Get a safe connection and secure grounding with this 300 amp ground clamp. The heavy duty ground clamp features a large contact area for positive grounding and safe cable connections. The clamp is constructed of durable zinc-plated steel with a heavy duty spring to withstand rigorous use.

  • Durable zinc-plated steel construction
  • Heavy duty spring coil for high clamping force
  • Pure copper braided shunt
  • Copper contacts designed to maximize positive grounding

Amperage (amps)
Jaw opening
1.8 in.
zinc plated steel, copper connectors, braided copper shunt
Product Length
6-5/8 in.
Product Weight
0.40 lb.
Shipping Weight
0.40 lb.
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.