This probe made of stainless steel and nylon, the sphere made of stainless steel, the baffle and handle made of nylon. The diameter of sphere is 50mm. Baffle diameter is 45mm. Baffle thickness is 4 mm. Handle diameter is 10mm. Handle length is 100mm. It has no force, but there is an M6 threaded hole at the end of the handle to connect the push-pull meter.