Tank Tote for 2.85" Cylinders: Small Cylinder Stands. Unique and proprietary molded stand (G-770) for 2.85 and 3.0 inch diameter cylinders is typically used for welding and soldering bottles and in laboratories. The TankTote attaches and detaches using a compression fit design. These cost effective safety stands can be reused innumerable times. 7x7x3" 0.5 lbs.