The Square Wave™ TIG275 welding unit is available in a ready-to-weld package with all accessories included; pre-assembled and connected; twin-cylinder undercarriage, foot amptrol, gas regulator/ flowmeter; 5 to 315 amp output. Lincoln Electric Co.

Circle no. 201

New air operated clamp attachment for MILLHOG® right angle welding prep tools; increases cycle time up to 600 percent; instant attach and release; operates on 90 psi; includes reinforced air hoses. Esco Tool

Circle no. 202

Big Blue 502 diesel-driven welding generator is first in the industry with stainless case and hardware; entire unit sealed against environment; 20 to 600 amps DC welding output; also available standard in steel case. Miller Electric Mfg.

Circle no. 203