VERY100 New Hot 1/2" 3 Slot Low Riser 20mm WEAVER PICATINNY Rifle Base/Scope Mount Rail Material:Aluminum Alloy Length:Approx 33mm/1.3" Height:1/2"(from the center of ring to the bottom) Rail Type:Fit any 20mm weaver/picatinny base Please make order from E-hunting. The item could be guaranteed. And you could receive the correct item NOT woman corset.