Comparison : Item # 13135, B963R CHAIN - K2 ATTACHMENT (WELDED)
Item # 20694, B963R CHAIN - K2 ATTACHMENT (WELDED)
Item # 20695, B963R CHAIN - K2 ATTACHMENT (WELDED)
Item # 20696, B963R CHAIN - K2 ATTACHMENT (WELDED)
Item # 20697, B963R CHAIN - K2 ATTACHMENT (WELDED)