DescriptionNo machine component seems more elementary than a knob. But in fact, there are many possible configurations for this simple part, and choosing the right type is key to the optimal function of the machine. The indentations in the rim allow for the achievement of mild to medium torque. These types of knobs are also easy to grip and work well in slippery environments.Features- Color: Black. - Material: Stainless steel. - Size: 1.80 x 1.50 x 0.30cm/0.71 x 0.59 x 0.12 inch. - Black oxide finish for excellent resistance to corrosion. Pad secured onto stem via threads. - Someone uses those hand knobs as an umbrella handle, maybe it can motivate your project, Is a small and replaceable part. - Screw on type design for easy install, no hardwares required, smooth lines and finger grip spacing for easy turning. - Knob made of stainless steel, widely used for furniture, the rack bracket, mechanical equipments. - Also suitable for instruments, apparatus, food and pharmaceutical industry equipments.