【Material】: Made of stainless steels with fine workmanship and convenient design, strong, for a long time use 【Unique Design】: 5-in-1 universal triangular keyed screw lock, fuller sizes and wider range of applications, better than the 4-in-1 【Use environment】: Both ordinary outdoor environment and outdoor environment are suitable 【Occasions】:Valve in front of water meter, electric meter, distribution cabinet, gas meter, elevator, ground pile column, machine cabinet, valve,spigots,electrical cabinet plumber opening 【Size】: easy to carry for outdoors, suitable for a picnic, camping, traveling, etc Specification: Material: Stainless Steel Color: Silver Size Chart: Diameter 7MM: suitable for lock inner circle diameter less than 7mm, triangle side length 4.5-6.0mm; Diameter 10MM: suitable for lock inner circle diameter less than 10mm, triangle side length 5.5-8.5mm; Diameter 12MM: suitable for lock inner circle diameter less than 12mm, triangle side length 7.0-10.0mm; Diameter 13MM: suitable for lock inner circle diameter less than 13mm, triangle side length 7.5-11.0mm; Diameter 18MM: suitable for lock inner circle diameter less than 18mm, triangle side length 9.5-13.5mm;   Package Includes: 1 Piece 5 Way Utilities Key Note: 1. Due to the screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-3mm differences due to manual measurement.