[HIGH QUALITY]:Converter Screw Drill Adapter is made of premium metal material, high hardness, construction engineered for longer service life.Turns your angle grinder into a grooving machine quickly! [PRACTICAL ANGLE GRINDER ADAPTER]:Our professional adapter turns your angle grinder into a grooving machine easily and quickly. Expand the function of angle grinder, helps you to achieve works through one machine. [SIMPLE TO USE]:The threaded design makes it easy to apply on your angle grinder. Saw blades(not included)can be added or reduced according to your own needs, up to 4 saw blades can be used at the same time. [PROFESSIONAL MODIFICATION]: Angle grinder is changed to slotting machine, suitable for most models. It is suitable for site construction, home improvement, water and electricity grooving, and tea tray stone frame drawing decorative strips. Stronger adaptability and operability. M10 adapter is suitable for type 100 angle grinder use. for grooving walls, bricks, tiles. Colour: Silver + Black Material: metal Package Contents: 2 x Grooving machine modification head M10 2 x Protection cover (inner hole 42mm) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.