Black Car Mounting Pins Base Plates Kits for Traction Boards, Fit for All Recovery Tracks with 4.72"-6.69" (12~17cm) Hole Spacing Made of nylon and tough stainless steel with plated steel hardware.Fits all recovery tracks with 4.72" to 6.69" hole spacing, including models from various manufacturers.Designed for use when a vehicle is off-road or driving through snowy and icy conditions and becomes stuck.Helps secure traction boards in place for effective recovery.The mounting kit allows the board to be attached to various locations on the vehicle, such as roof brackets or bed frames with an M10 hole.Enables secure, quick, and safe installation, saving space while keeping the traction board accessible.Package includes: base plates x2, knobs x4, pins x4, bolt sleeves x4, washers x8, nuts x8.