Slik Replacement Quick Shoe for U-5500/6600/8000/9000 Tripods 1/4"-20 screw and alignment pin Durable rubber pad creates a solid slip free connection between the plate and camera to prevent camera drift Plate also uses tool free mounting design so you do not need a coin or screwdriver to securely attach the plate to your camera Fits Models U6000, U8000, U9000 tripods