3M 45098, Roloc Disc Pad TR, Soft 1-1/2 in 1/4-20 Internal, 7000045277 
Insize 4839-1, PIPE WELDING GAGE, 6928640319570
$101.38
Made of stainless steel.
Bevel on end range 37.5 degrees, pipe wall thinkness 0-1 3/4″ (0-45mm)
Crown height 0~1-3/8″(0-35mm), filet weld 0~1-1/4″(0-30mm), filet weld height 0~1-3/8″(0-35mm)
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