Steiner Optics H-Series 30mm Med 1.0-Inch Lightweight Scope RingsSteiner Rings are the foundation of a precision shooting systemdesigned and engineered to ensure perfect optical alignment and shot after shot accuracy. The H Series Rings feature a sleek, minimalist design and rugged, lightweight constructionideal for your favorite hunting rifle or precision build. Med 1. 0 Inch Height Option Optimized for a medium optic position. Lightweight Aluminum Construction Built from rugged, precision machined aluminum to