Please note: There may be slight color differences or variations in the actual product, but this does not affect its use. Please do not mind this. Thank you! 3 Sizes in 1 Tool:Save time and money with combined 20mm/35mm/50mm steps - precisely enlarge, chamfer, or polish holes in tile, marble, and concrete without switching bits Diamond-Enhanced Durability:High-density diamond particles bonded to a steel core resist wear when cutting hard materials, maintaining sharpness longer than standard bits Universal M10 Thread Compatibility:Directly fits 100-type angle grinders (no adapter needed); includes conversion rod for handheld drills - perfect for jobsites or DIY workshops Dry/Wet Cutting Flexibility:Engineered for smooth operation with or without water cooling. Minimize dust during dry cuts or extend bit life with wet drilling Professional Finish, Reduced Chipping:Multi-layer conical design gradually opens holes to prevent cracking in tile/stone, leaving clean edges for pipes or fixtures Color: Gold Material: Metal Package Contents: 2 * Diamond Step Drill Bit 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.