IDEAL® Twister® Twist-On Wire Connector, Flame-Retardant, Series: 341, Swept Wing and Ribbed Shell, Live-Action/Square Wire Spring, Aluminum/Copper Wire, 22 - 8 AWG Wire, 600 V, 1/2 in Wire Strip, 105 deg C, Thermoplastic Polyester Shell and Steel Spring, Tan, Zinc Plated, 1.14 in H x 0.72 in W x 0.54 in Dia