B&B Sumner Lo Adjust-A-Roll - Conveyor Roller Head - 4400CRH Cobra Coolant This means preheating is non-optional

This means preheating is non-optional for sections over 1/4 in

1 mm) Shielding Gas 75% Ar / 25% CO₂ (C25) preferred

wire spools

The non-HF arc start is safe around HVAC control boards and thermostats

For CGA 200 "MC acetylene to CGA 520 "B" acetylene connections

B&B Sumner Lo Adjust-A-Roll - Conveyor Roller Head - 4400CRH Cobra Coolant This means preheating is non-optionalOld Sumner Part Number 780359 The B&B Sumner Lo Adjust A Roll with conveyor roller head, model 4400CRH, is a low profile folding four leg stand designed for straight line material handling at a 24" working height. The conveyor roller head lets pipe, tube, and other materials travel smoothly in one direction, making it ideal for feeding saws, weld cells, and fabrication or processing lines where clearance is limited. Key Features Lo Adjust A Roll low