A comprehensive new catalogue from HPC contains over 60,000 standard stock items. These include spiral and straight bevel gears, simplex, duplex and triplex sprockets and chains, racks, spur gears, helical gears, anti-backlash gears, moulded gears, timing pulleys and belts, worms and wheels, ratchets and pawls, plastic chains and engineering materials including aluminium, mild steel, nylon, derlin and stainless steel. The new extended range includes belt guides and tensioners.