1. The 813402 Awning bracket is designed with welded gussets to provide additional strength when awnings are mounted to roof bars on vehicles used off road or under extreme conditions. 2. Zinc plated and powder coated for resistance and designed to mount either upright or inverted, the awning bracket is 50 mm wide allowing it to fit over both SquareBar & Heavy Duty bars in the inverted position, or upright using T-bolts or channel nuts on ProfessionalBar, WingBar & AeroBar or Heavy Duty. 3. Pre-drilled to accept 8mm bolts, at least 2, but preferably 3 bolts should be used to mount to the roof bar for maximum strength. The outer bolt hole between the gussets must always be used for the gusset to be effective. Three slotted 6mm holes are provided to mount the awning. 4. The awning bracket is not supplied with hardware. Due to different bar designs, it is recommended to use T-bolts and channel nuts supplied by the roof bar manufacturer. 5. The current awning bracket has recently been upgraded from 3mm to 4mm construction however it is considered lighter duty and designated for highway use. These Brackets Are Zinc Plated and Then Powder Coated for Ultimate Rust Protection. Replace part number:813402 Fittment: Fits for Over SquareBar and for Heavy Duty Bars in Either the Inverted or Upright Position. Compatible with for ProfessionalBar, WingBar, AeroBar, and Heavy DutyT-bolts or Channel Nuts. Fits Most Roof Racks and Cargo Cages. Welded Gussets Provide Increased Strength and Rigidity Colour:Black Material:Metal Package Contents: 2 x Awning Bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.