Comparison : Item # 900-10N23, Best Welds Collet, 1/16", Used on Torches 17, 18, 26, Copper, 1 pc.
Item # 900-10N24, Best Welds 3/32" Collet (10N23), Used on Torches 17, 18, 26, Copper, 1 pc.
Item # 900-10N25, Best Welds 1/8" Collet (10N25), Used on Torches 17, 18, 26, Copper, 1 pc.
Item # 900-54N20, Best Welds 5/32" Collet (54N20), Used on Torches 17, 18, 26, 26 FMT, Copper, 1 pc.
Item # 900-10N24S, Best Welds 3/32" Collet (10N24), Used on Torches 17, 18, 26, 26 FMT, Copper, 2/pk