Stalwart Precision Screwdriver Set with Carry Case, 21-Piece Features include:Magnetic black oxidized tips Swivel head capWrenches: 4.0, 4.5, 5.0, 5.5, 6.0 mmPhillips screwdrivers: No. 0, No. 1Hex key wrenches: 1.5, 2.0, 2.5 mm Nut drivers: 3.0, 3.5, 4.0, 4.5, 5.0 mmSlot screwdrivers: 0.9, 1.2, 1.8, 2.4, 3.0, 3.5 mm Grooved bodies for excellent gripCarrying case