Picatinny rail in hardened steel for Sako 85 M - CONTESSA Rail Length - 160mm Distance between Bases - 77mm - 100mm Height (BH) - 12.5mm Material - Steel Contents Supplied: - 1x Steel Rail, - 1x Rear Base, - 1x Front Base, - 3x Wrenches, - Fitting Screws all included Distance Spacing: (distances between bases) 30mm (Dovetail Base) / 77 - 100mm / 31mm (Dovetail Base)