Comparison : Item # 3610, D963R CHAIN - K2 ATTACHMENT (WELDED)
Item # 20703, D963R CHAIN - K2 ATTACHMENT (WELDED)
Item # 20704, D963R CHAIN - K2 ATTACHMENT (WELDED)
Item # 20705, D963R CHAIN - K2 ATTACHMENT (WELDED)
Item # 20706, D963R CHAIN - K2 ATTACHMENT (WELDED)