Material: 45#chrome plating steel Color: red, blue (sent randomly) Size: 8mm/9mm/10mm outer hex wrench Notice or ebay message for choosing color. Please take this into consideration before ordering!! We still have other colors or decorative musters which are not shown here. ALL will be sent by RANDOM!! You may receive one in other color and design, which is not the same as show on the pictures, the picture is just for reference.