- Superior quality design: The Allen wrenches set is made from high-quality CRV steel with a black oxide finish for rugged strength and corrosion resistance. Soft rubber inlays provide a comfortable, firm grip. - Ultra-compact folding design: The hex key folding set stays ready when you need it. The space-saving folding design makes these wrenches small enough to fit in your pocket, backpack, or glove box. - Complete size range: Includes the most commonly used sizes for convenience. SAE: 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4". Metric: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm. Torx: T-9, T-10, T-15, T-20, T-25, T-27, T-30, T-40. - Visible sizing info: Sizing information is stamped right into the metal and does not rub off over time. It is also boldly printed on the wrench holder for easy size verification. - Use scenarios: On-the-go bike maintenance to adjust handlebars or seat clamps; assembling furniture or equipment that uses hex or Torx fasteners; quick home or workshop repairs where small hex or Torx screws are involved.