Barrel Hooks and Ropes. A 10 meter polypropylene three strand rope, with a 23mm diameter and a 5 ton BS and manually spliced hand draw soft loop. Attached is a 160mm x 8 mm sprung loaded carbine hood, tested to 10 tons with a zinc plate finish. This product enables lowering barrels and collecting used barrels in or out of cellars quickly, safely and smoothly.