Also known as: wheel grid, slide bar, or Outer Crosstube, this left outer crosstube assembly will fit a 3″ x 3″ square crosstube. It has a cam lock to hold the wheel grid onto the crossbar, a black knob plunger pin to hold the L-Arm in, and 4 hooks for a basket strap style hold down. This crosstube fits the following wrecker models: Century Formula I & Holmes DFT-400. It also will fit Century & Champion 10 Series Carriers. It accepts part number 12-0903479 standard 3,500 lbs. L-Arm. This part can be used to replace Part Number 12-0800912. Fits 3″ x 3″ square tubeCentury standard slide in L-arm styleUses Cam Lock to Hold Wheel Grid OnUses Black Knob Plunger Pin to Hold L-Arm InHas 4 Hooks for Basket Strap Style Hold-Down (2 for Basket Strap & 2 for Safety Chains)Fits Century Formula IFits Holmes DFT-400Fits Century/Champion 10 Series Carriers