SR Smith Elite Stainless Steel 20" Treads - No Hardware - LTDF-103 $60.50 SR Smith Elite Stainless Steel 20" Treads - No Hardware 20" Elite Stainless Steel Treads are made of 304 stainless steel. Treads are 3" deep x 20" wide, with a 181/4" centerline mounting distance. Available in 2, 3, or 4 step kits and includes all... Add to Cart