These EZ RJ45 shielded Cat5e crimp plugs will help you crimp your own Cat5e cable with ease. These only work with EZ crimp tools like Part #100054C) and #100004C. These plugs come in a bag of 100 pieces. Notes: Operation Temerature: -40 deg C to +70 deg C. Insertion / Extraction: 1000 Cycles. Contact Resistance: 10 Milli Ohms Max. Current Voltage: 30V AC/ 42V DC AT 1.5 Amps.