1pc Extention Magnetic Bit Holders:1/4''(6.3mm); (L=60mm); CRV 3pc Magnetic Nut Drivers: 1/4", 5/16",3/8".CRV,L=48mm 40pc 1inch Standard Bits:material:Taiwan S2 4pc Slotted: SL6x2.SL8x2 10pc Phillips: Ph1x2, Ph2x6, Ph3x2. 8pc Square: S1x2, S2x4, S3x2. 18pc Torx: T10x2,T15x2,T20x4,T25x5,T27x2,T30x2,T40 10pc 2inch Standard Bits. 3pc Phillips: Ph2x2. Ph3. 3pc Square: S2x2:S3x1 3pc Torx: T20.T25x2. 1pc Slotted:SL8. PP plastic box