Masterkey, Compact Quattro, patented, features a dual-turn mechanism that allows for the positioning of 8 different locking heads. Thanks to the integrated joint, the universal key can be used either as a T-handle with high torque or in a compact, assembled version. A new addition is the 1/4-inch socket drive, which allows for easy attachment and holding of 1/4-inch nuts. The swivel inserts are made of zinc die-cast. The swivel joints and connectors are made of fiberglass-reinforced plastic. Weight: 110 g. Dimensions: 63 x 48 x 39 mm (folded). Lock types: Square: 5, 6, 7, 8, 9 mm; Triangular: 6, 7, 8, 9, 10 mm; Internal hexagon: 1/4 inch; Double bit: 3 - 5 mm.