3.1/2", Gap-a-let Socket Weld Contraction Rings

GAP.3-1/2NPS, package of 10 rings

• Proper socket weld fit-up in one tenth the time

• Accurate 1/16" min. gap without time-consuming measuring, scribing and pull-out.
• Made of 316 Stainless Steel. 316 SS (type ER316/ER316L)
• Eliminate cracked welds resulting from improperly gapped joints