For maximum strength and longevity, the construction is fully wired in stainless steel. To reach deeper schools, current models have both quicker and slower sinks (smaller and larger models). Tuned and balanced to swim off of high ledges directly to your feet. Designed with 4x trebles (which can be replaced with singles of your choosing) and incredibly sturdy split rings. 11 lifelike hues with UV-reactive paint are included, and several models have glow features. Features Japanese 3D foil and flitter of the highest quality and a multi-layer durable coating.