American type heavy swivel coupler weight:1.65kg surface:galvanized standard:EN74 good quantity best price! American type heavy swivel couplerweight:1.65kgsurface:galvanizedstandard:EN74size:48.3With T-bolt & regular nut or flanged nut0ur company can produce many types high quality couplers.such as:british type,german type. American type heavy swivel coupler
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