Sturdy and beefy mount rings that still has a bit of narrowness to them. They feature a set of fastener heads on both sides - socket head bolt that fits into an oversized nut that can be toggled w/ a size 11 spanner / socket drive

These feature two slots for checking your line of sights through your open sights.

Each mount ring, features a double row of fastening bolts, likewise the key feature to these mount rings are that they feature a three-set of shim inserts, to accomodate for 1" scope tubes, 30mm scope tubes, and of course, w/ no inserts, these will accomodate for 34mm scope tubes.

Please note : the Three sets of shim inserts are black in colour as illustrated on the first image and you will be supplied that colour in black, the red ones are just for illustration purposes only

Specifications;