We are offering reverse circulation junk baskettype ll reverse circulation junk basket is a fishing tool which can retrieve the small fallen objects such as bit cone , teeth slice, manual tool and junk iron, etc from the bottom hole. During operation, drilling fluid can cause local reverse circulation in the bottom hole so as to put the debris into the fishing basket. It makes work much more easier especially adopted pdc drill bit during drilling . In order to keep drill bit maintain normal workit must be used to clean the bottom hole before drilling. So it is the necessary fishing tool in geological exploration and oilfield drilling, otherwise the tool can also be used as a special coring tool.Ll reverse circulation junk basket is simple in structure, convenient operation, safe and reliable during operation, high efficiency multi-function purification at the bottom hole of a well.