Product Description Material: Metal alloy Quantity: 6pcs Packing content: 6*scribing pen set 1.Durable Cutting Tools: The glass cutter adopts ultra-strong diamond carbide blade with solid hardness and sharp cutting to guarantee smooth operation. 2.Ergonomical & Non-slip Cutter: Non-slip metal handle combines ergonomics design enable comfortable holding and labor saving for better customer experience. The cutter is threaded to ensure slip resistant. cut glass with different thickness. 3.Round Metal Tapping Head: The metal head is made of premium steel, wear-resistant and well polished. It could be used to strike glass after cutting or put it under the glass scratch and split the glass. 4.Compact Glass Cutter Tool: The glass scoring tool is lightweight and portable for easy carry and go. It could be slipped into your backpack or packed at anytime and anywhere, which should be added to your collection. 5.Versatile Glass Bottle Cutter: Its perfect for cutting stained glass and other craft and household uses. A must-have cutter tools for DIY projects. It suits for mirrors, windows, glass shelves, stained glass cutting etc.