6 piece 1/4 hex. Plain slot & pz type insert bit set expert quality, 1/4 insert bits 25mm long manufactured from s 2 steel, hardened & tempered with shot blasted finish. Display packed in hang-up window box. Contents. 4 x plain slot sizes 4.5 (2), 5.5mm (2) & 2 x pz type no.2 bits.