175PCS Electrical Wire Connectors Screw Terminals with Spring Insert Twist Nuts Caps Connection Assortment Set – Orange, Gray, Blue, Yellow and Red Connectors with Storage Case: Amazon.com: Industrial & Scientific
Amazon.com: Nilight 220PCS Wire Screw Caps Kit 5 Sizes Electrical Wire Caps Assortment Spring Thread Insulated Wire Screw Terminals Twist on Wire Connectors for 22-12 AWG Wires, 2 Years Warranty : Industrial & Scientific
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