Grease nipples; Socket head shoulder screws of metal; Elbows of metal for pipes; Elbow outlets of metal being metal pipe fittings; Weld necks of metal being metal pipe fittings; Shackles being leg irons made of metal; Hose couplings of metal for high pressure hydraulics for industrial use; Hose pipes, of metal; Hose clamps of metal; Hose clips of metal for attaching and sealing air, cement, chemical, coal mining, cooling, gas, oil, marine, material handling, sand blasting, steam and water hos...