TMS Flat Top 1 Piece Ring Mount Picatinny Rails

One piece body Design for better scope alignmentTwo integral 30mm rings with 1\" size inserts(installed as shown in picture)Offset design to better work with scope eye reliefCenter height: 1.58\" (40mm). Perfect for flat top. Good for Magnified optics scopes with objective lens size up to 60mmRing width: 0.62\"Openning between rings: 2.16\"Attaches to flat top Picatinny railsLocks firmly in place with 1/2\" hex screwsKit includes an extra ring top with accessory rail for use with accessories such as laser sightMade of heavy duty quality aluminum alloyAnodized black matte finishOverall length: 3.43\"Weight: 4.6OZBase rail length: 2\"Recoil lug: cross-slot steel bolt shaft