Petzl Connection Ring Medium. Specifications for Petzl Connection Ring: Manufacturer: Petzl Fabric/Material: Aluminum Size: Medium Gender: Unisex Features of Petzl Connection Ring Designed for:- the creation of multiple anchors: its round shape ensures optimal functioning in all directions- direct installation on the SEQUOIA or SEQUOIA SRT harness's attachment bridge to improve the arborist's lateral mobility: the round shape ensures a firm stop against the gated rings Package Contents: Petzl Connection Ring Petzl C046AA00: Connection Ring Medium