GB WingGard wire connectors make quick, secure connections with easy on wing type design providing positive continuity between conductors. The expandable square wire spring creates a strong vibration resistant connection. Their tough, thermoplastic shell shields against environmental extremes. The color coded, high dielectric shell features a deep skirt design to prevent exposure of bare wire while providing superior flash over protection. Large, blue, splices copper to copper, joins 
No. 14AWG thru 
No. 6AWG, minimum combination: 1 
No. 10, with 1 
No. 12, maximum combination: 1 
No. STR. GB connectors comply with Federal specification W 5 610d and are UL486C listed and CSA certified. The connector is flame retardant, nonporous and noncorrossive, and resists surface cracking and chemical action. Temperature rated to 221 F. UL listed. 
No. 25 089: 10 per ziplock bag 
No. 10 089: 50 per box