Bands For Norwesco 1025 Gallon Horizontal Leg Tanks, part# 60057, are used for securing horizontal leg tanks for transportation use. They can also be used to maintain the tanks shape during stationary use.425 & 525 gallon leg tanks require 2 bands for 100% securement725 gallon leg tanks require 3 bands for 100% securement1025 gallon leg tanks require 4 bands for 100% securement