Mesee 2Pcs Mini Keyless Drill Chuck, 0.3-3.4mm Quick Change Chucks Adapter Converter Conversion Tool for Rotary Tool Electric Grinder Engraving Machine, 3mm Round Shank

• Clamping Range: 0.3-3.4mm/ 0-1/8 inch; Shank Type: 3mm round shaft.
• Keyless 3-Jaws chuck, could hold the extra-fine dril bits firmly, quick change and remove the drill bits.
• 3mm shaft engraving machine conversion chuck fits all drill chucks, suitable for Electric Grinder.
• Mini electric grinding drill chuck, instantly convert impact driver to hold non-quick change drill & driver bits.
• Please Note: Do not operate it high speed directly after mounted on universal chuck, otherwise rear axle will be bent.

Mesee 0.3-3.4mm Capacity Mini Keyless Chucks Adapter Conversion Tool - Universal 3mm round shank snaps easily into the power screwdriver. - Three-jaw chuck to securely hold extra-fine round-shank drill bits with 0.3-3.4mm shank. - Instantly convert impact driver to hold non-quick change drill & driver bits, use in automotive, garages, warehouses, offices, home, etc. - Keyless chuck converter to go from driving to drilling in seconds. Allows impact driver to function like regular drill and hold non-quick change drill & driver bits. ➤How to use : Firstly governor speed adjustment in the "minimum or zero turn", then turn on the power, adjust the speed, speed not more than 1w, to avoid damage to the shaft. ➤Specification: Material: aluminum alloy Chuck Height: 18.5mm Chuck Diameter: 14mm Clamping Range: 0.3-3.4mm Connecting Rod Shank: 3mm Round Shaft ➤Package Included: 2 x 0.3-3.4mm Keyless Drill Chuck 2 x 3mm Connecting Rod