This Cylinder Holder secures cylinders to a wall or to the side of a work bench. The holder body is 11 gauge hot rolled steel. The mounting holes accommodate 3/8" bolts. Edges are protected with steel reinforced vinyl to help maintain your cylinders and provide extra grip. Good for cylinders from 4" to 15" diameter. Strap burst pressure: 1200 lbs. Dimensions: 8" x 4" x 2"