Features: 100% brand new and high quality. Made of high hardness chrome vanadium steel, wear resisting and durable in use. Plastic storage box keeps these bits in place to prevent losing, convenient to carry with you. Different types of bits can meet your different needs. Can be installed on the electric rotary tool to use as electric screwdriver. Specification: Material: Chrome Vanadium Steel Star Bits: T9, T10, T15, T20, T25, T27, T30, T35, T40 Hex Bits: 5/64:, 3/32", 7/64", 1/8", 9/64", 5/32" Hex Bits: 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm Tri-Wing Bits: #1, #2, #3, #4 Spanner Bits: #4, #6, #8, #10 Cross Bits: #6, #8, #10 Package Weight: Approx. 224g Package list: 32 * Screwdriver Bits 1 * Extension Rod