The 1-3/8" And 1-5/8" Diameter Pipe Multi-Packs Of Ust, 1 Way (Foot Pad)). Footpads allow for a secure anchor base in setting up a frame tent or carport Rust-resistant galvanized steel construction with strong welded connections Holes in base to be staked to the ground, or bolted to concrete or asphalt surfaces. Rust-resistant galvanized steel construction Attention! We recommend to increase the resistance to the possible appearance of rust - apply an additional coat of waterproof paint. Rust appears due to the fact the rains are acidic very often (this is the effect of industrial emissions into the atmosphere) Designed for use with both 1-3/8" and 1-5/8" diameter pipe (1-3/8" pipe can be placed inside the footpad, 1-5/8" pipe can be slipped over the footpad) Base Diameter: 4-1/4" Inner Diameter: 1-3/8" Outer Diameter: 1-1/2" Height: 4-3/8" Thickness: 16 gauge Designed for use with both 1-3/8" and 1-5/8" diameter pipe (1-3/8" pipe can be placed inside the footpad, 1-5/8" pipe can be slipped over the footpad) Base Diameter: 4-1/4" Inner Diameter: 1-3/8" Outer Diameter: 1-1/2" Height: 4-3/8" Thickness: 16 gauge Leg Length: 5" Footpads allow for a secure anchor base in setting up a frame tent or carport Holes in the base to be staked to the ground or bolted to concrete or asphalt surfaces We recommend to increase the resistance to the possible appearance of rust - apply an additional coat of waterproof paint. Rust appears due to the fact the rains are acidic very often (this is the effect of industrial emissions into the atmosphere)