The DB 20mm Deck Organiser is ideal for efficiently controlling lines and halyards on a deck or coach roof. Its cheeks are made of marine grade aluminium and anodised black, and it comes with four bolts, nuts, and washers. The non-sheave column even doubles as a becket, and the organiser can easily be stacked for a higher profile. When stacked, the upper organiser can handle up to two-thirds of the maximum working and breaking load. DB stands for Dynamic Bearing, referring to the Allen patented bearing system that features twin rows of stainless-steel ball bearings on a stainless-steel axle. This system allows for high rolling speeds with minimal friction, resulting in smooth and efficient movement of ropes around the sheave. Its dynamic bearing technology is perfect for use in applications that require fast sheave movement, making it a great choice for halyard or control line systems on sportsboats up to 28ft. The DB deck organiser range is also