Dexter 21K 2-5/16" Straight Tongue Trailer Coupler 074-350-00This trailer coupler is designed for heavy loads, boasting a weight capacity up to 21,000lbs. Constructed with a zinc-plating, this trailer coupler offers outstanding corrosion resistance making it perfect for use in waters of any type. The trigger latch features a circle grip for easy coupling and uncoupling from the towing vehicle. To use simply pull back on the trigger to open the 2-5/16" ball socket.Constructed from heavy duty steel, this coupler provides outstanding strength for all your trailering needs. Easy to mount, this trailer coupler uses a bolt on installation designed to fit 3" wide channels.This trailer coupler is a replacement for Titan 4853100 couplers.Straight Tongue Trailer Coupler Features: Easy to Mount; Zinc-Plating; Durable Steel Construction; SAE J684 Certified; Trigger Latch Mechanism; Brake Coupler Specifications: 2-5/16" Ball Size; 3" Wide Channel Tongue; 21,000lbs Weight Capacity; The trailer coupler is an important component of any trailer system. Providing the contact point between the towing vehicle and trailer. Dexter's trailer coupler offers unmatched security whether you're towing your boat, jetski, mower, or more!