ARIES 204036 3 Inch Round Black Steel Nerf Bars, Select Chevrolet, GMC C, K Light short throw handle automatically engages with Hub Face Length (Inches):82 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 This CURT adjustable channel coupler features a sleeve lock latch and a solid neck for increased strength and security one year parts) Two pre drilled holes in the crossbar for mounting LED light bars or work lights