20 Pcs BNC Compression Connector 75 Ohm Coupler with Copper Pin for RG58-59 Crimper Video Plug Extension Coaxial Cable [Upgraded Special Design]20Pcs RG59 BNC Compression Connector with fixed pin, 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. 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._x000D_ [How to Use Crimper Tools]Please make sure the tool for the correct measurement for these connectors,then tighten the connectors with cable, making the connection successfully is easier. 20PCS BNC Compression Connector works with most standard compression tools._x000D_ [Widely Application]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. Compatible with all CCTV analog, AHD, TVI and SDI home security high-definition camera surveillance system._x000D_ [Weather Resistant] Heavy-duty well constructed DC barrel jack BNC connectors HD video cables for reliable coaxial RG59 720p, 960P, 1080p CCTV AHD and SDI coax HD video cables connection. Extremely low signal attenuation construction, nti-corrosion nickel-plated, All metal fully sealed-watertight,improved conductivity, permanent connection never comes loose._x000D_ _x000D_ Colour: as shown_x000D_ Material: Metal_x000D_ _x000D_ Package Contents:_x000D_ 20 x RG59 BNC Compression Connector (with 20Pcs Copper Pin)_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_