The Tweco® 92051216 Ground Clamp (WS300GC) delivers reliable, high-amperage grounding performance for SMAW, SAW, GMAW, and FCAW welding processes. Featuring copper alloy jaws with a heavy-duty, insulated spring, this clamp ensures strong contact pressure and efficient current flow. Designed for use with the Tweco Roto-Ground device, it can also be used in other industrial grounding applications where maximum conductivity and durability are required.

Key Features

• WS300GC model – built for 300-amp welding applications
• Copper alloy jaws – provide excellent conductivity and corrosion resistance
• Heavy-duty insulated spring – maintains secure contact and reliable clamping force
• Compatible with Tweco Roto-Ground – easily attaches to rotating weldments or fixtures
• Ball-point cable connection – ensures a secure, low-resistance fit
• Large tightening screws – provide ample contact surface for cool, efficient operation
• Rugged design – ideal for industrial and field environments
• 8-1/4″ overall length – compact yet strong for portable welding setups

Technical Specifications

Brand: Tweco®
Model Number: 92051216 (WS300GC)
Amperage Capacity: 300 amp
Cable Capacity: 2/0 AWG
Connection: Cable: Ball-Point
Jaw Opening: 1-1/2 inch
Jaw Opening Depth: 3-1/2 inch
Length: 8-1/4 inch
Material: Copper Alloy