Variety of Sizes: This 3 PCS metal ruler set includes 12 inch（30cm), 8 inch(20cm), and 6 inch(15cm) rulers, offering versatile measuring options for different projects and environments Durable Stainless Steel Material: Made from thick yet slightly flexible stainless steel, each metal ruler resists bending and ensures long-lasting use Dual-Scale Design: Features laser-engraved metric and imperial measurements on opposite sides, allowing precise readings with this reliable metal ruler Smooth Finish with Storage Hole: Metal rulers have a burr-free surface and a convenient hanging hole for easy storage, keeping your workspace organized Professional Use: Ideal metal rulers for artists, designers, engineers, architects, and students; perfect for office, school, or drafting applications, Manufacturer: YEV