Features: Widely Used, Various Shapes, Durable, Size, Multifunctional. Size: Large square: Inner diameter: 8mm, outer diameter: 14mm. Round: Inner Diameter: 5.5mm, Outer Diameter: 9mm, Longest: 20mm. Triangle: Inner Diameter: 9mm, Outer Diameter: 14mm. Small square: Inner diameter: 6mm, outer diameter: 12mm. Specification: Material: Aluminum alloy Color: Silver Product packaging: 2 pieces 4 way utility key (Silver)
