Features: 100% quality and Brand new. 60°angle used for producing center holes in workpieces which require precision drilling or machining between centers. It also used as starter holes to prevent a drill bit from "walking". Center and spotting drills are traditionally used to make a conical hole for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking. Used for producing center holds in components or work pieces with require machining between centers. Specification: Color: As picture shown Material: HSS Hardness: HRC 60-62° Tip angles: 60° Sizes: 1, 1.5, 2.5, 3.15, 5mm Quantity: 5PCS Please note: Please allow minor error due to manual measurement. Due to camera problem, pictures in the listing may not appear the acutal color. Check the pictures for more details.