Clamping knob--this knob screw heads are special shape design, great for comfortable hand grip, thread clamping knob; Knob--manufactured with, with excellent durability and practicality, Clamping Screw; Clamping knobs--with sufficient quantity of the screws, enough for your daily use and replacement, thumb screw; Hand screw--it can be easily installed without any tools you only need to turn it directly by hand to install or remove it, clamping screw knob; Thumb screw clamping knobs--universally fit and can be used for most types of machine tools this kit can definitely meet all your daily needs, Manual Screw

What's in the box
15 x Screws