Guide sizes: SAH002 - Premium black - Heavy Duty 1" thick Ideal for synthetic ropes suitable for 0- 25,000lb winches Dimensions 300mm long x 77mm Center to center of mounting holes - 254mm (10") Mounting Hole Size: Back Shank Width: 1/2" or 12mm, Front Bolt Head Recess: 1" or 25mm Polished aluminium finish Incorporates sunken bolt holes so the bolt heads sit flush with the hawse 12 Months Warranty