Model MWR: Used for secondary cementing operations. These drillable retainers set securely in all standard hardness casing. The landing can be with electric line or hydraulic setting tool.

Model MMR: Tubing Set Sleeve Valve Cement Retainers are used for secondary cementing operations. These drillable retainers set securely in any hardness casing. Set with Model MSR Mechanical Setting Tool. Single run to set and squeeze cement.