The ROP Shop 2 Link TIRE Chains 23x8.50x12 John Deere M80370, M40713, M41317, M41318, M49249 2 Link TIRE CHAINS 23x8.50x12 For John Deere M80370, M40713, M41317, M41318, M49249 Chain Specs: Outside Links 0.157" (4mm) / Crosslinks 0.238" (6mm) Set of 2 Zinc-Plated Chains. Chains Only, Tires NOT Included Quality Aftermarket Part with 1 Year Warranty