Escape Climbing 49 Stainless Steel Bolt Variety Pack | Durable Hardware for Rock Climbing Holds | Features a 3/8-16 Socket Cap Screw | Includes 2&rdquo; 3&rdquo; 4&rdquo; Bolts and 2&rdquo; Flat Head | Designed for Outdoor HIGH QUALITY | Industrial grade stainless steel bolts reduce corrosion and increase thread strength DURABLE | Manufactured with Cold-Forging techniques which result in higher fatigue resistance ADAPTABLE | Hardware designed and produced for outdoor gyms and outdoor home climbing walls VARIETY | Variety pack includes 25 - 2 bolts, 10 - 3 bolts, 4 - 4 bolts, and 10 - 2 flat head bolts DIMENSIONS | Stainless steel bolts with 3/8-16 socket cap screw