Premium Quality: This serrated masonry drill bit is crafted from quality Metal with serrated edges, which has improved cutting performance. The serrated masonry drill bit provides more consistent drilling and durability Efficient Drilling: The serrated masonry drill bit ensures clean and precise holes in fragile materials like glass, tile, wood and marble. Effectively reduce the risk of cracking or damage Multiple Size Kits: This serrated masonry drill bit kit covers sizes of serrated masonry drill bits. Suitable for , quartz, ceramic tile and acrylic, providing the right bit for your tasks Practical Tool: The serrated masonry drill bit adopts a cutting thread design to make clean, smooth threads with precision, reducing the need for additional tools or steps. Compatible with most common electric drills, practical tool for DIY enthusiasts and professional craftsmen Wide Application: The serrated masonry drill bit is suitable for wide application. It is practical for dry drilling through tile, porcelain, bathroom tiles, marble, glass, , stone, brick and more Specification Name: Serrated Masonry Drill Bit Color: blue Material: Metal Package Contents: 8 x Serrated Masonry 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.