I really like the quality of this product. very durable.
PACKAGE INCLUDED - 12 x Professional Masonry Bit (comes with 6 different sizes) MULTIPLE DIMENSIONS - Our Masonry Drill Bits Set comes with 6 different dimensions featuring: 12.3cm/4.8inch/12mm 12cm/4.7inch/10mm 11.2cm/4.4inch/8mm 10cm/3.9inch/6mm 9cm/3.5inch/5mm 8cm/3.15inch/4mm PREMIUM QUALITY - Our bits are all made of cemented metal alloy with a reinforced head that prevents bit cracking and provides a longer life. Strong toughness and wear resistance. Sharp and effortless to cut, precisely drill. PERFECT DESIGN - The bit's triangle grooves spear tip and solves drill bit wander and slipping. Spiral design makes it effective in the removal of debris and it can improve your work efficiency. Additional anti-skid triangle handle design, firm operation. WIDE APPLICATIONS - High-quality material plus ergonomic design make the drill bits suitable for eramic tile, glass, cinderblock, hard plastic, cement, Cconcrete, mirrors, windows, travertine, brick, wood, terracotta, stucco, steel, laminate flooring, garden pot, marble, pickguard, etc. The drill bits can be installed and used in general drill, electric drill, hand drill and bench drill, etc.
https://www.amazon.com/dp/B08BRTX992