Universal use: Universal screws with partial thread for connecting all types of wood | Optimal equipment for home, hobby & workshop Organized: Housed in practical and reusable plastic bucket | neatly storage | Compact size is easy to store High-quality workmanship: galvanised for indoor and outdoor use. Pozidriv drive for high power transmission & secure screwing. Flat surface & flat seal with the material, thanks to countersunk shape PRODUCT DETAILS: Drive: Pozidriv | Screw size: 4 x 40 mm | Head shape: countersunk head | Surface: galvanized | Contents: 500 pieces