The Birchwood Casey 84 Piece Master Gunsmithing Screwdriver Set is an essential toolkit for any serious gunsmith. Engineered for precision and versatility, this comprehensive set equips users with the right bits for diverse gunsmithing tasks. Housed in a transparent plastic storage container, locating the right tool is straightforward. Trusted since 1948, Birchwood Casey delivers quality and innovation in shooting and gun care products. 84pc kit includes a wide range of bits Slotted: 3-9mm x 2 Philips: ph0-ph3 x 2 Pozidriv: pz0-pz3 Torx: t8-t40 Security torx: t8-t40 Hex: 1.5-6mm Hex: 1/16- 1/4 Square: s0-s3 Elevate your gunsmithing experience with this all-in-one screwdriver set.