Milwaukee 48-22-9486 PACKOUT 1/4 and 3/8 in. Metric and SAE 106 Piece Set. Drive Metric and SAE 106 Piece is a set of hand tools consisting of 106 pieces. The set includes both metric and SAE sizes and features a PACKOUT case for easy storage and transportation. The set includes ratchets and other automotive tools, making it ideal for mechanics and DIY enthusiasts.