This black metal collet set combines collets and matching hex nuts in one practical clamping hardware package. With a single nut paired to each collet size, the set is organized for straightforward matching and assembly, making it easier to work with the parts when a secure fits needed.The visible collet sizes are 6 mm, 8 mm, and 9.52 mm, so the set covers multiple common sizing needs without requiring and match separate pieces. Each collet has a cylindrical body with a slotted split design, and that slotted collet structure is made to clamp down firmly when tightened. The threaded hex nut complements the collet by providing a reliable fastening point, helping the parts come together smoothly for stable holding. Whether used for workshop setups, repairs, or other precision tasks, this collet and hex nut combination is designed to support firm clamping and dependable alignment.