Check the listing for details. 45 Degree Offset Picatinny Weaver Universal Rail Mount with Quick Release. Condition: New. Listed at 9.95 USD. 4 Slot Rail Mount:Overviews:45 Degree Offset Rail Mount/Weaver Style allows you to attach lasers flashlights red dot sights and other tactical accessories you might need. The special offset canted design allows for more versatility and eliminates interference.Features: 45 Degree Offset Rail allows the attachment of Lasers, Flashlights, Red Dot Sights or other TacticaOffset Canted Design creates more Mounting Versatility eliminating interference with Vertical GripsPerfect for Mounting a Backup Reflex Sight side by side with your Primary Optic.Ergonomic Design gives easy access to on/off switches for Flashlights, Lasers, or Red Dot Sights.Constructed of Solid Aluminum, Hard Anodized for corrosion resistance.Rail length : 1.75"