We offer a wide range of flag pole trucks (Pulleys) for most flagpoles at low prices. Please note description to select what is recommended for your pole. Residential trucks (cap style) vs Commercial Grade (threaded style) trucks. The trucks have cast aluminum construction with cast nylon pulley. The top of the truck is designed to accept an ornament with a spindle threading of 1/2"- 13NC. The flag pole top is secured to the truck with a stainless steel screw.