uxcell 4 Pcs 12mm Dia Diamond Coated Drill Bit Marble Glass Hole Saw Cutter UXCELL (U excel !) is the sole authorized Seller of uxcell products Product Name : Glass Hole Saw; Cutting Hole Diameter : 12 mm / 15/32";Shank Hole Diameter : 4 mm / 0.16" Shank Size (Approx.) : 20 x 7 mm / 0.8" x 0.27" (L*D);Total Length : 51 mm / 2" Color : Silver Tone; Main Material : Metal; Weight : 47g Package Content : 4 x Glass Hole Saw <a href="https://www.amazon.com/b?node=14770868011"> International products </a> have <a href="https://www.amazon.com/gp/help/customer/display.html/ref=nav_cs_help?ie=UTF8&nodeId=202045290"> separate terms, </a> are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Manufacturer warranty may not apply <a href="https://www.amazon.com/b?node=14770868011">Learn more</a> about Amazon Global Store.