Feature:They are made of 304 stainless steel whose face is treated by passivation, in other words, these wing bolts are not prone to corrosion , rust or oxidation.They are of special wing design which enables you to tighten with bare hands instead of a screwdriver, making hand torquing a breeze.Mainly usedin such display industry, white goods, brown goods, telecommunications and data communications, automotive industriesas devices which require insulation, frequent dis-assembly and maintenance.Also serve as a backup for the ones that came with your drum kit. Fit your drum perfectly where wings screws exist for adjusting the tom mounts and other parts of the kit.High quality, clean and nice surface and it threads smoothly. A good replacement for a setscrew on a mini clampso you wouldn& 39;t need to use a screwdriver in the heat of a photo shoot.Specification: Material: 304 Stainless SteelColor: As shown in the picturesSurface Treatment: PassivationHead Shape: WingType: DIN316Thread Spec: M6Thread Tolerance: 6gThread Length: 10mm / 0.39", 12mm / 0.47", 16mm / 0.63", 20mm / 0.79", 25mm / 0.98", 30mm / 1.18", 35mm / 1.38", 40mm / 1.57" (Optional)Quantity: 5pcs / bag Package Included: 1x bag of 5pcs wing bolts