[High quality materials] wing nut made made of durable stainless steel.The surface of the butterfly mother is with a metallic shine and has good corrosion, rust and oxidation resistance, so that always constant and high quality can be guaranteed.[Different sizes] We offer the most frequently used sizes of butterfly nuts and base-disc combinations, including M3, , M5, M6, M8, M10, M12, to meet all size requirements.You 't have to worry about size differences.[Easy to use] With a wing on each side of the wing nut, these wing nuts can be tightened or dissolved by turning the mother without additional tools.[Greated] Finger-proof wing nuts can replace conventional nuts for use indoors and outdoors as well as in wet areas.Suitable for domestic maintenance, decoration, furniture production, outdoor factories, mechanical equipment, electronic equipment, communication equipment, , etc.[service] Our wing nuts are subjected to quality control when leaving the work.Material: Stainless steelcolour: silverPackage Contents:3 x m12 nuts6 x m10 nuts16 x m8 nuts20 x m6 nuts20 x m5 nuts20 x nuts15 x m3 nuts3 x m12 washers3 x m10 washers8 x m3 washers8 x m8 washers10 x washers10 x m5 washers10 x m6 washersOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.