Hardened Steel Picatinny Rail for Sako 85 L/XL - CONTESSA Rail Length: 155 mm Height (BH) - 115 mm Weight: 160 g Material: Steel Supplied: - 1 Steel Rail, 1 Wrench, Spacing Between Bases: 30mm (Lathe Tail Base) / 97mm / 30mm (Long Tail Base). Steel Picatinny Rail is precision made by Contessa Alessandro & C. snc The part is precision made to fit the rifle with exact dovetail spacing to fit the rifle with supplied wrench. This full-length rail has two dovetail clamp blocks that attach to the tapered dovetails on either side of the ejection port on your Sako rifle.