4" long Magnetic Copper Backer helps you weld without burning holes. Magnetic copper backing panel provides hands-free support when doing butt-welding or welding holes in sheet metal.
2" x 4" copper panel is magnetic; no hands or clamps needed
Works as a heat sink and prevents warping and weld burn thru on sheetmetal
Weld won't stick to copper
Magneticaly sticks to back of sheetmetal joint
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*KMS Club Members Save up to 30% Off everyday. Online or in-store prices are pre-calculated with discounts and are shown online in red. In-store instant savings or prices are shown on each item label. No additional discounts required at checkout. Flyer or eFlyer savings may be greater!