Metolius Big Wall Accessories PU Mega Pack 30 Pack PUMEGA030. Each Mega Pack Climbing Holds Set contains a random mix of various sizes of footholds screw-on hand holds modular holds mini-jugs macro or roof jugs and come with all the mounting hardware needed. Mega Packs are the ideal starter kit for your home climbing wall. Features/Specifications: 4 Mega Packs to choose from: 30 40 50 or 60 pack Bolts t-nuts self-drilling screws and Multi-Wrench included Polyurethane climbing holds How to Build a Home Bouldering Wall booklet