Catalog no. 011.1910.03 to 011.1910.10 Screw, 3.5mm & 4.0mm Material Stainless steel 316L,316LVM, Titanium Holes 3,4,5,6,7,8,9,10 Proximal Screw Locking Screw 4.0mm Screw Length 20mm to 70mm (Diff. 5.0mm) Distal Screw Locking Screw 3.5mm Screw Length 10mm to 40mm(Diff. 2.0mm)