Tools Kit for iPhone 4S & 4G Opening Tool Kit 5 Star Pentalobe Screw Driver (7 Tools) This listing is for a 7 piece tool kit used to open up your iPhone 4G/4S, It comes with a 5 star pentalobe screw driver, made just for the iPhone 4. Don't be fooled by $2 tool kits that will not include this screw driver. This screw driver is also common on new 4S models as well. Tools for your iphone replacement LCD or Back Glass. fast shipping.