Upgrade your shooting experience with the Worker Adjustable 20mm Picatinny Rail Metal Riser. This versatile riser allows for precise 'elevation' and 'windage' adjustments, with a range of 0-7 mm in height and 0-4 mm to the left or right. Made with durable aluminum alloy, it's the perfect fit for 20-21mm Picatinny rails. Enhance your accuracy and versatility on the range with this must-have accessory.

Features:

Worker Metal Picatinny Riser, that has both 'elevation adjustment' and 'windage adjustment.  

The height range can be adjusted from 0 to 7 mm, and the left and right range can be adjusted from 0 to 4 mm.