Miller® shoulder washer for 15A/30A Spoolmatic® feeder guns
Miller® 134 624 Shoulder Washer, Nylon, 0.14 Inch Inner Diameter x 3/16 Inch Outer Diameter x 3/32 Inch Thickness x 3/8 Inch Outer Diameter x 1/32 Inch Thickness, For Type/Brand/Model: Spoolmatic® 15A/30A Feeder Guns