... Color:various color are provided, Red, Green, yellow and some others you want.SewingOur stiching way is the cross tight way ... and materails, like Alloy, zinc, Chromeplate, nickel plating, and others you want.Connection pointThe product have 1adjustable point for the ... standard size. We could also add some adjusting pointsaccoring to customer's requirement CertificationMeets CE, EN361, ...