Low pulling force required for effortless operation. Compact and lightweight for use in restricted areas with low head room. Durable, galvanised and hardened alloy steel chains. Heat-treated and ground gears, shafts and pinions. Features mechanical brake. Conforms to EN13157. Low pulling force required for effortless operation. Compact and lightweight for use in restricted areas with low head room. Durable, galvanised and hardened alloy steel chains. Heat-treated and ground gears, shafts and pinions. Features mechanical brake. Conforms to EN13157.