The Petzel String protector serves two functions: it maintains the orientation of the carabiner on the rope end of a quickdraw, and it protects the carabiner attachment loop from wear. 
 

Features:
• Compatible with 15 - 20 mm wide quickdraw slings
• Material(s): TPE (thermoplastic elastomer)
• pack of 10

Information on EU Regulation GPSR 

Name of the manufacturer: Petzl Distribution
Postal address of the manufacturer: ZI Crolles, 38920 Crolles, Frankreich
Electronic address of the manufacturer: info.france@petzl.com