ArkHardware 1/4" Proof Coil Link Chain Snap Hook Stainless Steel Type 316 Commercial Marine Grade (1 Chain-20 FEET PER CHAIN) 1 Order= 2 Free Snap Hooks+1 CHAIN =20 Feet Per Chain of 1/4" Proof Coil Link Chain. Special CUSTOM CUT LENGTH BY REQUEST. A=Chain size =1/4"; L=INSIDE LENGTH=1.25"; W=INSIDE WIDTH=0.47".WLL=1450 LB/ per foot; WT=0.70 PER FOOT . Stainless Steel Type 316 Commercial Marine Grade excellent for Indoor and Outdoor. Superior strength & rust resistance over grade 304, Galvanized and Cast Iron. Strong and durable. Excellent for outdoor, marine, boating and industrial applications where rust is concern. General Purpose, Not for overhead lifting. Meets NACM Standards.