● Adopting high quality tungsten steel and fiber reinforced composite material, high hardness, durable in use.
● Beautiful and practical surface concave and convex design, so that the front and rear jackets can effectively cooperate and reduce the jacket shaking.
● Jaws special treatment, with good abrasion resistance.
● Keyless chuck finger-tightens for easy changes.
● Accuracy is accurate and reliable.
● Application: Impact drill or AC/DC electrical drill.
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