Large Tool Tube by DrySpec
This large storage tube attaches directly to the outside of any flat-sided side cases and can be used to carry tool rolls as well as any other gear that can fit inside of it.
The DrySpec Large Tool Tube measures 14 inches long overall with a measurement of 12 inches from mounting foot tip to mounting foot tip. The tube body measures 12 inches from the base of the tube body to the cap with the foot at the opposite end of the cap extending 2 inches beyond the tube.
The tube is 5 inches wide at it's widest point with a inner storage diameter of 4.25 inches. The foot at the cap end is 3 inches wide with 3 round 8mm mounting holes while the opposite foot is 2 inches wide and has 1 elongated 8mm mounting hole.
The feet provide 3/4 of an inch clearance for the main tube and 1/2 inch at the tube's widest point.