Keyless Chucks, 4 pcs Mini Quick Change Chucks Multi Keyless Quick Change for Dremel Rotary Tools Accessories, 0.4-3.2mm

SIZE: The overall size is 24X14 mm and the clamping range is 0.4 to 3.2 mm. MATERIAL: Made of all metal and very hard after high-temperature heat treatment. The black rust oxide on the surface will also prolong its lifespan. EASY TO USE: Allows you to quickly and easily change attachment tips. WIDE RANGE OF APPLICATIONS: Fits original DREMEL 9/32-40 thread, 6.2mm direct inner hole, models are 4000, 400, 3000, 398, 395, 300, 285, 275, 200, 100, 8200, 800, 780, 770, 7700, 750. NOTE: 8050-N/18 cannot be used; it may match the thread, but the machine shaft is too short. Specification: Weight: 0.1 kg Material: Alloy Category: Power Chuck Overall Length: 23.4 mm Width Tooth spacing: 0.75mm Clamping range: 0.4-3.2mm Clamping range: 0.4 - 3.4mm Length: 2.1cm, Diameter: 1.4cm Use with rotary tool models: 4000, 400, 3000, 398, 395, 300, 285, 275, 200, 100, 8220, 8200, 800, 780, 770, 7700, 750 (Note: Please ensure your Dremel rotary tool model is listed.) Package includes: 4 x Keyless Chucks