Two piece double screw extended scope mounts.
Fits 9-11mm rails. 
Does not include arrestor pin
1 inch High scope rings
Fits lens diameters up to 60mmA = 26.5-29mm (Height from where the ring base touches rail to bottom of scope ring) 
Weight 116g
Adjustable for windage, elevation and height. Lateral position also adjustable. Can suit upto 60mm lens dia.