[HIGH QUALITY]:Converter Screw Drill Adapter is made of premium metal material, high hardness, durable construction engineered suitable 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 various 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 suitable for most models. It is suitable suitable for site construction, home improvement, water and electricity grooving, and tea tray stone frame drawing decorative strips. Stronger adaptability and operability. M14 adapter is suitable suitable for type 125-230 angle grinder use. perfect suitable for grooving walls, bricks, tiles. Colour: Silver + Black Material: metal Package Contents: 1 x Grooving machine modification head M14 1 x Protection cover (inner hole 48mm) Only the above package content, other are not included. Note: Light 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.