A set of 50 shaped S-EXL sized holds consists of different types offer comfortable yet tricky grips. This is absolutely essential for any climbing wall. Actual Design of Holds Might be Different From Placed Images. This is a 31 piece set of resin climbing rocks that can be used on an indoor and outdoor rock climbing wall. Includes -Total of 50 Rock Climbing Holds – 4 different styles – 5 different colors (red-blue yellow-green and orange) -including Mounting Hardware & Bolts for a standard 1-inch installation with 50 pieces of fasteners and bolts with 1 LN key also.