CURT 25153 Straight Tongue Trailer Coupler for 2 Inch Channel, Hitch Ball, 3,500 lbs. winches short throw handle automatically engages with This CURT loaded ball short throw handle automatically engages with the kingpin Three easy access grease fittings for lubrication Three position coupling indicator clearly shows coupling status Mounts to all industry standard base rails Offers three height adjustment positions to adapt to each unique truck bed Includes a polyethylene lube plate to eliminate messy grease deposits Tested for safety in accordance with SAE J2638 Protected by a highly durable carbide powder coat finish Limited lifetime warranty (one year finish Provides a buffer between a 5th wheel hitch head plate and kingpin pin box Reduces normal wear and tear when towing Eliminates messy grease deposits on hitch head plate Easily fits on any standard kingpin Constructed from tough polyethylene one year parts) CURT straight tongue couplers