Geared type Monorail Trolley is available with four wheels driven by hand chain and has provision for mounting the Chain Pulley Block. The Monorail Trolley is designed to suit the standard I-Beam size. Geared type Monorail Trolley is manufactured by N. K. Engineers, an ISO recognised company.N. K. Engineers also manufactures a wide range of Cranes, Hoists, Chain Pulley Blocks and Monorail Trolleys for various industrial applications. The Geared type Monorail Trolley is flexible and provides durable performance in heavy duty application.