The Model 660 Drive-Point Profiler is designed to allow collection of groundwater samples from multiple points in a single drive/drilling location, at discrete zones. It can be installed with a rig that pushes, hammers, or vibrates the Profiler into suitable sands. It uses AW rod and can be adapted to attach to custom rods used by some rigs. The profiler has a 1.75" (45 mm) dia. AW stainless steel tip with one row of screened inlet holes set circumferentially leading to a single LDPE or PTFE stainless steel sample line.