Model MF Landing Nipple: Superior NO-GO which provides for the location of various wireline flow control devices in the production string. May be used as seating nipple in the following applications: blanking plugs to shut in well or test the production tubing, equalizing check valves, chokes to reduce surface flowing pressures and land instruments with geophysical devices such as pressure and temperature recorders.

Model MR Landing Nipple: Bottom NO-GO which allows for location of various flow control devices in the production string. It can be used in the previously mention applications and it has the same profile as the circulation sleeve.