In-saiL provides clients a broad selection of knobs,handles,hand wheels and levers widely applied in industry. They are usually used for pulling something or locking function .Specifically,industrial handles are designed to have a strong, securely attached device that won't slip out of your hands easily. Industrial hand wheels are often applied to adjust a series of machine functions. Although the wheel itself, of the hand wheel, is for adjustments, some hand wheels actually have a handle as well .We can also design it as customers requests.