Two keys for flat handles: * Black hex key x 1: Distance between opposite sides approximately 3.0mm * Silver cylindrical key x 1: Cylindrical part diameter approximately 5.85mm 【Free Shipping】Tracked delivery, delivered to your mailbox. ※ We cannot negotiate prices or offer discounts. ※ We cannot sell items separately or change the shipping method. * Instant purchase OK. Please read my profile regarding receipts. Comments like "I want to buy" or "Is this still available?" are unnecessary. We will refuse transactions with those who do not read and understand the listed information.