121產品概述
Body Nickel Plated Copper Alloy, 10 AWG, Phone Jack
Standard 0.25" (6.35 mm) extension phone jacks. Size: 0.688" (17.48 mm) O.D.; 2.156" (54.76 mm) lg. Types 121 and 131. 0.5" (12.7 mm) O.D.; 2.5" (63.5 mm) lg. Shielded handles are brass, bright nickel plated. Black handles are plastic.