Rebuild Skills Heat-Shrink Insulated Marine Grade Ring Crimp Terminals Ring Terminal Eyelet Wire Connectors Red 22-18awg, Blue 16-14awg, Yellow 12-10awg, Strong crimp on solid and stranded wire where secure connection is important. Use for all automotive fuse blocks, boat, jet ski. snowmobile, motorcycle, RV. Provides a strong and solid connection for industrial applications for control panels, relays, power terminals, electrical terminal blocks, AC control units, CCTv power, 3:1 heat shrink sleeve with adhesive makes a more secure connection and prevents moisture, dust, oil, grease and lubricants from reducing the quality of your connection.