RG59 BNC Compression Connector:This bnc connector was very easy to use to rg-59 coaxial siamese cable,just use the coax cable core insert the compression connector pin and compress it. | Special Design:It's with fixed pin,so you can insure the center wire goes into the connector more accurate,easier and quickly,doesn't get bent,better than other raditional bnc connector. | Widely Application with Security System:RG59 connector suitable for use in the cctv home security systems camera installation,theater, audio & video cable,made to work in any weather condition,for indoor/outdoor use. | Premium Quality:All metal,weather resistant construction,nti-corrosion nickel-plated,fully sealed-watertight,improved conductivity,permanent connection never comes loose,and extremely low signal attenuation. | Crimper Tools Use:It's works with most standard compression tools,please make sure the tool for the correct measurement for these connectors,and then tighten the connectors with cable,making the connection successfully is easier.