Weaver 48363 Four hole Tact Ring, XX-High Made of the highest quality materials Hunting scopes rings Another quality Bushnell product Available in heights that satisfy just about any shooter and shooting situation: medium, high, X-high, and XX-high Skeletal design lessens weight without losing strength Dressed in matte black and featuring no strip/slip Torx screws Incorporate Weavers famous Cross-lock design and lightweight aircraft aluminum Choose between 1" and 30mm