This is a 1/700th scale waterline model of the support tug SD Bountiful, an ATD 2909 Class tug, run by Serco. The pack contains 4 sets of white metal castings, decals and an assembly guide to make all the ATD 2909 class tugs currently in service with Serco. SD Bountiful is based inn Portsmouth Dockyard assisting the Royal Navy's ships as they move around the dockyard and the other three are in Faslane. The kit can make up SD Bountiful, SD Reliable, SD Resourceful and SD Dependable. Four tugs for the price of three.