star knob gym grips mother copper core anti rust cap bakelit black cover fixed fitness equipment handle nut knurled thread clamping hand kno

1.various m6 m8 m10 m12 m14 m16thread:we have prepared three different sizes stars knob for you, universally fit and can be used for most types of machine tools, this kit can definitely meet all your daily needs. 2.special star shape design:this knob are special star shape design, great for comfortable hand grip, accord with ergonomic design and plays a non-slip effect without scratching your hands.knob handles are made of plastic for durability and long service life. 3.wide application:thread clamping knob black plastic hand knob star shape knob handle for machine tool.