Teo Locksmith in Kallang is a shop specializing in embroidery, name tags, and engraving services, run by Uncle Teo who is known for friendly service despite being busy. The shop offers a vast range of name tag and engraving options with fast, efficient service at affordable and fairly priced rates. Customers appreciate the quality work and friendly atmosphere, though high-demand periods may require queuing for in-situ engraving.