The T4557 25 part of CK Tools is a professional grade screwdriver set that includes 25 specialty tips in a durable stainless steel case. The set comes with a ratcheting handle that makes it easy to work in tight spaces, as well as ergonomic finger grooves for better grip and comfort. The drivers have a black oxide finish for corrosion resistance and greater durability. The tips included are a standard Phillips #0, a Phillips #1, a Phillips #2, an insulated Phillips #0, an insulated square #1, an insulated Slotted #2, a philips #3, a slotted #3, hex 1/8” and 3/16", Torx T10, Torx T15, Torx T20, Torx T25, Torx T27, Torx T30, Torx T40, and several hex sizes (1.5mm, 2mm, 2.5mm, 3mm, and 4mm). The set also comes with a 2-piece adapter to convert tips and reach into tight spaces.