DIMENSION:including 1 triangle(8mm*2mm), 1 Round shape(inside diameter:5mm), 3 square with different size(6mm*6mm/8mm*8mm/ 5mm*5mm), 1 hexagon(4mm*4mm). The total size 13cm*8cm*3mm, small and portable.easy to carry it MATERIAL: Our 6-way key is Made of steel, strong and durable;Corrosion Resistant, Versatile CONVENIENT AND PRACTICAL:It can be hung on the key ring and carried around. Can be used as a wrench.It can be used to open toolbox doors and electrical cabinet doors. It is especially suitable for doors and windows in public places. MULTI-FUNCTION:the utility meter key has 6 different cross shapes, it can serve as practical wrench , and turn the screws, easy to use to open and close sill coke suitable for many valves of electric, water, gas, train, cabinet, elevator.etc. Specification: Material: High Quality Steel Color: silver Size: 1 triangle(8mm*2mm), 1 Round shape(inside diameter:5mm), 3 square with different size(6mm*6mm/8mm*8mm/ 5mm*5mm), 1 hexagon(4mm*4mm). The total size 13cm*8cm*3mm Quatity1 Features -Portable multi-function key, high hardness, corrosion resistance, more durable -Small and versatile, it can be carried around as a small wrench -Suitable for elevators, trains, faucets, electric cabinets, etc. Package includes: 1 x 4-way utility key