New type strand double hook with spring 13 New type strand double hook with spring 8 New type strand double hook with spring 15 New type strand double hook with spring 10 New type strand double hook with spring 5 New type strand double hook with spring 6 New type strand double hook with spring 3 New type strand double hook with spring 9 New type strand double hook with spring 7 New type strand double hook with spring 11 New type strand double hook with spring 12 New type strand double hook with spring 4 New type strand double hook with spring 14