Watch Repair Tools 5-prong 4-prong Screwdriver Set Screwdriver Screwdriver Shaped Screwdriver 20 Heads Interchangeable. Exquisite workmanship ensures the super quality and high precision. Made of aluminium alloy material, which is anti-rust and anti-corrosion. Suitable for removing the screws for small devices, such as jewelry, watches, toys, glasses, small devices and other. Special anti-slip handle design, easy to hold and labor-saving. Suitable for Richard and other luxury watches and special screws. Essential supplies for daily use or as special repairing tool set. Item Type: Watch Repair Tool. Application: For RM and other luxury watches and special screws. 1 x Screwdriver Handle. 1 x Metal Base. 20 x Special-shaped Screwdriver Tips.