Made of premium carbon steel material, durable and practical. Strong clamping force resists deformation. Ergonomic design allows for simple operation, saving time and effort. Compact size and lightweight for easy portability and use. High-quality construction with fine workmanship, rust-resistant for extended service life. This collet nut serves as a reliable replacement for damaged parts and fits most tool holders. Precision ground and hardened for enhanced performance. Features: - Made of premium carbon steel material, durable and practical - Strong clamping force resists deformation - Ergonomic design enables simple operation, saving time and effort - Compact size and lightweight for easy portability and use - High-quality construction with fine workmanship, rust-resistant for extended service life Specifications: Condition: Item Type: Clamping Nut Material: Carbon Steel Color: Black Applicable Collet: ER40 Collet, ER32 Collet, ER25 Collet Model Details: - ER25UM: Nut Diameter 42mm, Thread M32*1.5 - ER32UM: Nut Diameter 50mm, Thread M40*1.5 - ER40UM: Nut Diameter 63mm, Thread M50*1.5 Package List: 1 x Clamping Nut Notes: - Actual product color may vary slightly from the image due to lighting conditions - Slight measurement deviation may occur due to manual measurement