Wing nuts assorted: wing nut or butterfly nut is a type of nut with two metal "", one on each side, so it can be tightened and loosened by hand without tools; Quality: made from 304 stainless steel, these nuts have good chemical resistance and may be mildly magnetic. The provide more for greater torque while tightening than knurled-head thumb nuts; Using: Wing nuts are used when a part is often assembled and disassembled by hand, where no more than finger pressure is needed. They may be used with or without a washer. The ease of use also make wing nuts popular for applications in which convenience is vital, such as on boats and bicycles; Easy to Use: Twist the nut by hand without any other tools, easy to install. Easy to install and remove, can be used repeatedly. Widely Application: Wing nuts are suitable for with high adjustment frequency, such as industrial manufacturing Contains: 100 Nuts ( m3(25pcs), (25pcs), m5(20pcs), m6(10pcs), m8(10pcs), m10(6pcs), m12(4pcs)) Colour:silver Material:Stainless steel Package Contents: 1 Nut Assortment kit Only 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.