Dutton-Lainson Dutton Lainson Class II Coupler Model 981 2in x 2in. It works with all types of non-passenger carrying trailers with a gross weight that does not exceed 3500 lbs. Coupler includes a pin and chain. The housing width is: 3" I.D. x 3-1/4" O.D. Features a zinc plated TUFFPLATE finish. Features of Dutton-Lainson Dutton Lainson Class II Coupler Model 981 2in x 2" Class II Coupler; Compatible with 2" balls Fits 2" tongues Works with all types of non-passenger carrying trailers Maximum Weight Capacity: 3500 lbs. Housing Width: 3" I.D. x 3-1/4" O.D. Package Contents: Dutton-Lainson Dutton Lainson Class II Coupler Model 981 2in x 2" Dutton-Lainson 13889: Dutton Lainson Class II Coupler Model 981 2in x 2in