Flange Width: Storage tanks with minimum 10' diameter, fits 1" to 1 7/8" flange widths
This Tank Trolley is designed for use on water and fuel storage tanks and rides on the top lip of the storage tank; Can be used with a standard lanyard or self-retracting lifeline
Trolley: Rollers 1/4" Steel, Powder coated finish with forged steel O-ring attachment with polyurethane composite material