Description Will lock all 1-7/8", 2" and 2-5/16" couplers. 3 per carton. Replaced with 72783 This item is a suitable alternative for the following: 402-63226, UTL1000600, G40, G39, G35, G34, G33, 888-G39, UTL100600, 72783, 402-100600, 100600, 06-63226