Ceta Form Torex Screwdriver Sets. The Classic screwdriver series from Ceta Form has been revised with a new ergonomic handle. Available in a wide range of sets. 5 Piece TOREX Nut Driver Set feature precision machined ultimate fit non-peel black finish, precision hardened chrome-vanadium-molybdenum steel blades with a refined ergonomic handle design and premium quality plastic materials for a comfortable grip.