Professional Series Multi-Stage Sediment/Sludge Sampler Kit! This sampling kit provides all of the components needed to collect sludge and sediment samples up to 4′ in length. The 12″ base section and three extra body sections allow you to assemble a sampler that is 12″, 24″, 36″, or 48″. in length. This kit was designed for soil sampling professional who wants the strongest, most durable connection on their extensions, cross handle, slide hammer, and sampler cap. The professional series 3/4″ threaded extensions are constructed of larger 1″ diameter chrome molybdenum tubing and are powder-coated safety orange for added rust resistance. The redesigned 10 lb. rubber-coated slide hammer is equipped with a more robust 3/4″-diameter inner slide bar that makes it more reliable and prevents bending of the bar. The new multi-stage flap check cap includes a thicker (.800″) collar & was designed to match up with the larger 3/4″ threaded female connection of the new professional slide hammer to provide increased durability. Kit components include 12″ multi-stage base section, three 12″ multi-stage extension sections, 2″. multi-stage core tip, 2″ multi-stage valved core tip, three 4″ extensions, 2″ x 12″ OD plastic liner, two 2″. end caps, 2″ core catcher, universal slip wrench, two crescent wrenches, 18″ rubber-coated cross handle, slide hammer, and deluxe carrying case. The top cap, core tip, valved core tip, multi-stage sampler, multi-stage extension sections, and extensions are made of stainless steel.