YD36-001--003 coupler for 1-7/8" ,2"(2-1/2" or 3" ) channel width balls is galvanized to prevent corrosion and rust. It is suitable for 2" (2-1/2" or 3" ) channels.Suitable for 1-7/8" steel balls. Maximum load capacity is 2,000 lbs, in accordance with American standards.
YD36-004--006 coupler for 2" ,2"(2-1/2" or 3" ) channel width balls is galvanized to prevent corrosion and rust. It is suitable for 2" (2-1/2" or 3" ) channels.Suitable for 1-7/8" steel balls. Maximum load capacity is 3,500 lbs, which meets American standards.
YD36-007 coupler for 2",3"channel width balls is galvanized to prevent corrosion and rust. It is suitable for 3" channels.Suitable for 2" steel balls. Maximum load capacity is 2,000 lbs, in line with American standards.
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