Hexagonal Screwdriver with Screw Holding Sleeve. Screw holding sleeves hold the screw until it has engaged in the threaded hole. The sleeve slides back up the shaft to release the screw without disengaging it. Available in three sizes: Small for 2.0mm screw with sleeve, Medium for 2.7mm/3.5mm/4.0mm screws with sleeve or Large for 4.5mm/5.5mm screws.
