OMS ™ STAINLESS STEEL BANDS, BOLTS AND SYSTEMS FOR DOUBLE CYLINDERS OMS��® Band Kits are now offered in 2.5" widths (to accommodate moderate height cylinders) and 3.00" widths (to accommodate taller and heavier cylinders). Your band choice will depend on whether or not you choose to use a boot, and if you use a boot, and if you use a boot, its height, and the overall length and weight of the cylinders. scuba cylinder bands Due to a new inert gas welding technique OMS��® Bands are the strongest in the world! A 3rd party conducted a destructive pull test and the nearest high quality competitors bands failed at 7000 lbs. pull while OMS��® bands withstood 9500 lbs.! Additionally if you own painted cylinders you can take comfort in knowing that OMS��® band edges are rolled (edge relieved) to prevent paint gouging and scratching during assembly (most other bands have sharp non rounded edges). Threaded rods, nuts and washers are supplied with each band kit so that you can use a single or multiple backplates (dedicated bolts do not allow you to do this).