The INTERTOOL STORM Professional Ratchet Screwdriver, Bit & Socket Set VT08-3638 was intended to be an all-in-one portable tool that can accommodate most basic needs. Ratcheting screwdrivers save time by allowing the user to make consistent turns without breaking the contact from the bit or bolt. Not only can they save time on projects but they also give the user more leverage over the intended objective due to the ratcheting mechanism that allows the screwdriver to spin in only one direction. Keeping the INTERTOOL STORM Professional Ratchet Screwdriver, Bit & Socket Set VT08-3638 nearby is essential and effortless with the help of the included portable carrying case. The screwdriver handle acts as a dual-purpose handle for the carrying case and all bits and socks are labeled according to their size for quick access. Specifications: Material: Ratchet Screwdriver Handle: Polypropylene (PP) & Thermoplastic Rubber (TPR) Bits: Chrome Vanadium (CR-V) Steel Sockets: Carbon Steel Set Components List: 1pc Ratchet Screwdriver 1pc Adapter 27pcs x Bits (SAE 1/4" | Metric 6.35x25mm) 5pcs Slotted Bits: SAE 1/8", 5/32”, 3/16”, 1/4",1/4" | Metric 3mm, 4mm, 5mm, 6mm 5pcs Phillips Bits: SAE PH0, PH1, PH2, PH3 | Metric PH0, PH1, PH2, PH3 4pcs Pozidriv Bits: SAE PZ0, PZ1, PZ2, PZ3 | Metric PZ0, PZ1, PZ2, PZ3 6pcs Torx Bits: SAE T10, T15, T20, T25, T27, T30 | Metric T10, T15, T20, T25, T27, T30 4pcs Hex Bits: SAE H1/8”, H5/32”, H3/16”, H1/4" | Metric H3, H4, H5, H6 4pcs Square Bits: SAE S0, S1, S2, S3 | Metric S0, S1, S2, S3 9pcs Sockets (1/4"): SAE 5/32”, 3/16”, 1/4", 9/32”, 5/16”, 11/32”, 3/8", 7/16”, 1/2" | Metric 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm INTERTOOL