Widely used in furniture decoration, electronic equipment, mechanical equipment and other related industries. Our star knobs work cabinet, drawer, door, lockers, toolbox and other furniture or equipment that require frequent adjustments. Can be tightened or loosened by hand. Features - Color: Black. - Material: ABS. - Size: 3.00X3.00X1.50cm/ 1.18X1.18X0.59inch. - These screw nuts would match very well with the compatible bolt thread. Holds tightly and doesn’t slips. - Bring this assorted while versatile kit with you to start your work on mechanical equipment, instrument, apparatus, furniture etc. - Widely used in of industry and life, our star knobs would be a nice selection for you. - with the nice quality materials, not easy to break or deform, and has a . - Using star knobs nuts will help you cover and fasten the thread of bolts, without scratching. Package list: 20 x screw nuts