Profile: Assembly Specialty Products, Inc. designs, tests and manufactures swage wire rope fittings and custom fabricated wire rope assemblies. Our swage fittings include standard & large shank threaded studs, open & closed swage sockets, fork terminals, shank hooks and threaded sleeves. Our shank hooks are manufactured from weldless, drop-forged steel and self-colored. It is available in zinc-plated or galvanized finish.