LAIWEI Diamond Core Bit Set 12PCS Hole Saws: 1/4"Diamond Core Bit, 5/16"Diamond Core Bit, 3/8"Diamond Core Bit, 1/2"Diamond Core Bit, 9/16"Diamond Core Bit, 5/"Diamond Core Bit, 3/4"Diamond Core Bit, 4/5"Diamond Core Bit, 7/8"Diamond Core Bit, 1"Diamond Core Bit, 1-3/16"Diamond Core Bit, 1-3/8" Diamond Core Bit, (6.8.10.12.14.16.18.20.22.25.30.35mm), Diamond grit size #45/50, height 10mm, overall length 60mm. LAIWEI diamond drill bits deliver exceptionally smooth cutting, effortlessly dry-drilling tiles, ceramics, bathroom tiles, marble, granite, stone, masonry and bricks. Extended service life achieved with wet operation. LAIWEI diamond drill bits excel at cutting diverse materials including marble, granite, ceramics and tiles. Their robust construction ensures precise, flush cuts with minimal force. All accessories are neatly organised within an elegant storage case. Tile Hole Saw Kit Featuring multiple sizes to tackle varied tasks, suitable for professional projects and DIY applications. A dependable choice for efficient drilling. Highly compatible—suitable for most cordless drills and lithium-ion drills What else can LAIWEI do for you? We'll respond to your enquiry within 24 hours!