Chrome vanadium steel, 7 pcs slotted: 3/16x4, 5/32x4, 1/4x6, 1/4x8, 1/8x3 3/16x3 and 5/16x8 inch, 1 pcs slotted with screw holder: 5/32x4 inch, 4 pcs phillip: 1/4x1-1/2, 1/8x3, 3/16x3 and 1/4x4 inch, weight: 1.75 Lbs