A 30mm deep tray, loaded with 32 orange winders that slot perfectly in place between foam runners to prevent any rattling and damage.; These winders are 190mm long and 16mm wide, ideal for most pole floats. The stack system is interchangeable with all the Rive winder trays; 30mm deep tray; 32 orange winders; Foam runners to prevent any rattling and damage; Ideal for most pole floats; Interchangeable with all the Rive winder trays