21-piece set including various bit sizes, perfect for DIY projects. - Set Contents: 21-piece bit set - Bit Sizes: Hex bits (3mm, 4mm, 5mm, 6mm), 9.5mm socket bits (8mm, 10mm, 12mm, 13mm, 14mm, 17mm), double-ended bits (+2 x 110mm, -6, +2 x 65mm, +3 x 65mm, +2 x 65mm, +2 x 65mm, +1 x 65mm, +2 x 45mm), stepped +1 x 100mm, stepped +2 x 100mm, flexible shaft, socket adapter 9.5mm. - Materials: Bits (chrome vanadium steel, brass plating), Sockets (carbon steel, chrome plating), Flexible shaft (carbon steel, chrome plating) - Model Number: IH-639 Some items have been used a few times, but they are in good working condition. Please check the photos for the condition and only purchase if you understand that this is a used item. Please check my profile! #IHELP #BitSet #Tools #DIY #DoItYourself