9 Slots See-Thru 11mm Dovetail to 20 Picatinny Adaptor Mount
Length:10cm (3.9 inch)
Height:16mm (0.62 inch)(base bottom to rail)
Under slot: 11MM
Package Size(L x W x H): 10x3x3cm /3.9x1.1x1.1inches
1 x Picatinny Rail Set
1 x Allen wrench
Top 21mm Weaver Rail, Bottom fit on 11mm Dovetail Rail
Specially designed to convert 11mm rail base to 20mm rail base.
Increase the height of the flattop for easy aiming.
High-durability aluminum alloy in black matt and beautiful complement
Shock proof can be used on real fire caliber and air gun
Adaptor is installed by wrench