*New design of Overload Device with concealed structure protects itself from external effect.
*O.L. could work rapid and stable and be easily restored by reducing the load under rated capacity without readjustment.
*O.L. is manufactured by alloy metal and completed with surface hardness treatment to ensure long life operation.
*O.L is optional and could be attached onto the hoist without changing any hoist structure.
*Suggest using at frequent overload operation environment to ensure users' safety.
*Use overload device to ensure hoist life-span.