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: Plastic. - Size: 3.00 x 3.00 x 2.00cm/ 1.18 x 1.18 x 0.79 inch. - These clamping knobs with brass female thread 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 . - Widely used in of industry and life, our star knobs would be a nice selection for you. - Our thread knurled star shape knob handle are universally suitable for various furniture or equipment. - Using star knobs nuts will help you cover and fasten the thread of bolts/screws ,without scratching. Package list: 12 knobs