A torque transfer mechanism for controlling the magnitude of a clutch engagement force exerted on a clutch pack that is operably disposed between a first rotary member and a second rotary member includes an actuator having an inner sleeve, an outer sleeve, and a plurality of balls. The interconnected anchoring system comprises a plurality of interconnectable refractory anchors for use in a high temperature severe duty environment. The container package is a partitioned box with each compartment fitting one standard microscope slide.