Apeks RK3 HD Fins Size:Medium (UK 4/5–6/7) The Mares XR Line Markers

The Mares XR Line Markers come as a pack of five in a choice of three colours

The holder features a side and top reading pane

The first stage uses chrome-plated marine brass for the body but uses Monel for key internal components

the foot pocket is made with a soft

Apeks RK3 HD Fins Size:Medium (UK 4/5–6/7) The Mares XR Line MarkersThe Apeks RK3 HD is a heavier duty version of the standard RK3 which makes them stiffer and heavier for divers that prefer a little more negative buoyancy in their fins. The RK3 HD is made in a single piece mould for improved durability and the high density rubber material is ideal for harsh diving environments. The fin incorporates a vented blade design that helps to reduce the stress on the foot and ankle during the kicking cycle and enhancing