Twist-On Connector Kit For Conductor Material Copper Insulation Material Nylon Maximum Operating Temperature 221 Degrees F Minimum Wire Size 22 AWG Maximum Wire Size 12 AWG Number of Pieces 230 Termination Style Twist-On Tools Included 7-in-1 Screwdriver/Nut Driver Wire Stripper Manufacture Model Numbers Included Model 102 Model 182 Model 33 Model 72B RoHS Compliant No Standards CSA C2.2#188 Certified UL 486C Listed Color Orange