Material:
Stainless steel 304 or 316 
There are three or four slots on samplers 
Specification:
Outer diameter 19mm 25mm  and 32mm 
Length:0.5m -2.5m 
Application:
Sampling powder,solid etc. 
Feature:
the samplers are quick and easy to operate.  Just insert the sampler into the product to be sampled, turn the handle to open the slots, turn the handle to close the slots, and remove the sampler. the sample is removed from the sampler by inverting the sampler

We also produce it according to your sizes