CURT 16067 Q24 5th Wheel Hitch for Select Chevrolet, GMC Puck System, 24,000 lbs. assist using our OEM compatible legs or harness using our OEM compatible legs or roller adapters 3500 HD or 3500 Classic (see application info to verify vehicle compatibility) short throw handle automatically engages with the kingpin Three easy access grease fittings for lubrication Three position coupling indicator clearly shows coupling status Quarter turn anchoring system provides quick installation and removal Adjustable anchors to eliminate chucking between the legs and under bed platform 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 These legs are only intended to fit select Chevrolet or GMC trucks with a year specific puck system and cannot be installed without it