Stock Drive Products/Sterling Instrument (SDP/SI) recently announced that they will be manufacturing specialized precision components for a new locking system in support of the U.S. Postal Service’s initiative in preventing the theft of mail.

Stock Drive Products/Sterling Instrument (SDP/SI) expands their selection of flexible couplings to include the single disk type couplings (short type), series S50XHSM… and the double disk type couplings (standard length type), series S50XHWM…. The disk type flexible couplings are an economical option while providing greater torque capability and improved performance in a reduced size.