Catalog no. 011.342.06 to 011.342.20 Screw, 12.5mm & 4.5mm Material Stainless steel 316L,316LVM, Titanium Holes 6,7,8,9,10,11,12,13,14,15,16,17,18,19,20 Proximal Screw Lag Screw 12.5mm Screw Length 50mm to 115mm (Diff. 5.0mm) Distal Screw Cortical Screw 4.5mm Screw Length 16mm to 70mm (Diff. 2.0mm) Distal Screw Cancellous Screw 6.5mm Screw Length 30mm to 110mm (Diff. 5.0mm)