You'll be ready for most equipment problems and maintenance tasks with the black and blue T-2 Scuba Toolpack from Innovative Scuba Concepts. This multi-tool includes 11 stainless-steel implements commonly needed in scuba diving, including open-end wrenches, hex wrenches, screwdrivers and an O-ring pick. The tools are housed in a strong fiber-filled plastic frame with ergonomic thermoplastic polyurethane grip surfaces on the sides.