Certification: Rohs, 6P, En-72 The steel measuring tape displays both inches and metric increments to adapt to any preference. Tape measure is attached to a split ring keychain so it's portable on a key ring, tool belt or belt loop. The Square Level Tape Measure Key Tag makes a great giveaway item at trade shows, conventions, and product demonstrations, especially for businesses concerned with home or office improvement. Order yours today. Great promotional idea for construction companies, tailoring services, home improvements companies and more.