Suppliers with verified business licenses
Audited Supplier SPT Basket Retainer, trap valve and plastic liners are available as an option with SPT sampler, it's good in sand or loose formation to get a better collection.
Normally, the steel type is more wear resisting comparing to the plastic type and it has size 2“ and 3" for the related cutting shoe for SPT sampler.
Except the SPT basket retainer, we can make all other kinds of basket retainer for soil samplers.
Suppliers with verified business licenses
Audited Supplier 
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