The TIMCO Pozi Classic Woodscrew Countersunk in black, ranging from M3.5 to M5 thread sizes and 16mm to 40mm lengths, is a high-quality steel screw perfect for DIY projects and home improvements. This pack of 200 screws from Timco is designed for easy installation with its Pozi drive style and countersunk head style. Ideal for woodworking tasks, these screws offer strength and durability for various applications.