Blade No. 10, 11, 12, 12B, 15, 15T & 15C fit handle numbers 3, 3L, 5, 7 & 9. Supplied sterile, in boxes of 100pcs. Individually V.C.I paper wrapped & foil pack. Available in both stainless steel & carbon steel.   Blade No.s 18, 20, 21, 22, 23, 24 & 25 fit handle numbers 4, 4L, & 6. Supplied sterile, in boxes of 100pcs. Individually V.C.I paper wrapped & foil pack. Available in both stainless fine steel & carbon steel.