Orion 7381 105mm ID Pair of Guide Scope Rings
This pair of cast-metal rings of 105mm inner diameter attach to a mounting plate for use with Orion guide scopes of up to 80mm aperture. Each ring has three black nylon alignment screws, which will not scratch guide scope finish. Rings attach to mounting plate with two 1/4"-20 hex-head cap screws (included). A small wrench is also included.