High Speed Air Grinder 1/4 Inch 20000RPM Mini Air Driven Grinder Kit Air Tool Set Grinder Polisher Polishing Machine Engraving Grinder Air Grinder Model: Blue 20000RPM

Features: - Good size & amp; light weight comfortable grip anti-fatigue operation. - Made of selected aluminum high speed 20000rpm and 22000rpm for option stable performance long service life - With safety protection unit avoiding injury caused by mistakes safe to use. - Match with double clamps (3mm and 6mm) to meet different needs. - Comes with corresponding keys convenient disassembly. - 10Pcs grinding heads with 3mm and 6mm shanks widely applicable to welding fracture smoothing sharp edges deburring polishing and grinding. Specifications: Material: Aluminum Color: blue Model: FM-416T (large) / FM-412T (small) (optional) Free speed: 20000rpm / 22000rpm (optional) Air pressure: 90PSI Air consumption : 4Scfm Air inlet: 1/4 & quot; Hose Size: 3/8 Collet: 3mm (1/8) 6mm (1/4) Item Size: Approx. & nbsp; E17068-1: 4.5*4.5*17cm/1.77*1.77*6.69in E17068-2: 4*4*15cm/1.57*1.57*5.91in Item Weight: Approx. & nbsp; E17068-1: 573g / 20.21oz E17068-2: 360g / 12.7oz Package size: approx. 22*18.5*6cm/8.66*7.28*2.36in Package weight: approx. & nbsp; E17068-1: 845g / 29.81oz E17068-2: 637g / 22.47oz Note: Please read the user manual carefully before use. Packing list: 1 * engraving grinder 1 * 11mm wrench 1 * 17mm wrench 1 * 3mm collet 1 * 6mm collet 5 * grinding head with 3mm shank 5 * grinding head with 6mm shank 1 * manual user (English)