A standard line of shaft collars, couplings, and mounts developed to make it easier to design and build packaging machinery and systems is available from Stafford Manufacturing Corp. of Wilmington, Massachusetts. Stafford shaft collars, couplings and mounts are available in a wide range of sizes, materials and configurations to meet the challenges associated with building packaging machinery.  Featuring over 3,600 standard items, the line includes collars and couplings, the Staff-Lok™ hinged collar which is easy to open-close and clamp by hand and the Grip & Go™ handle that can convert a standard shaft collar into a rapidly adjustable locating device. Providing a rigid permanent stop, spacer and shaft mount or an easily adjustable solution where required, Stafford shaft collars, couplings and mounts are made from aluminum, steel, stainless steel and plastic in sizes from 1/4” to 6” O.D., depending upon the part and material.  Collars come in one-, two-piece and hinged designs, couplings in one-, two- and three-piece, and a full range of options and finishes are available.