Uxcell a15102200ux0025 15 Pcs M8 x 70mm Male Thread Screw Star Shaped Head Clamping Knob Popular choice with smooth lines and finger grip spacing for easy turning Contemporary satin textured finish, scratch and dirt resistant Perfect replacement for your broken one with this Star Head Screw Knob Easy installation and nice finish surface for comfortable grip Suitable for mechanical equipment, instrument and apparatus, food and pharmaceutical industry equipment