Petzl TandemPetzl Tandem Description Sheaves mounted on self lubricating bushings for good efficiency Maximum allowable speed: 10 m s Attachment point accepts up to three carabiners to facilitate use Specifications Certification(s): CE EN 12278, UIAA ReferencesAction Factory's recommendation is that this item, and all rigging items sold by Action Factory should never be used for a life line situation, where death or serious injury could occur. Always rig within a