As pictured This Browning AK84X1 Finished Bore Sheave is a reliable product made in the USA that can be used with a 3L, A belt, and has a single groove pulley. It is designed with a 1" bore, making it compatible with a range of HVAC & Refrigeration: Parts & Accessories, specifically HVAC & Refrigeration: Fans & Blowers. The sheave is available in a brown color and made by the popular brand, Browning.