1. 10pcs SMA male crimp connectors,impedance:50 ohm,compatible with RG58 RG141 RG142 RG400 Low Loss 195 coaxial cable. 2. SMA crimp tool,crimp hex dia sizes: .255 inch(6.48mm), .213 inch(5.4mm), .137 inch (3.48mm),.1 inch (2.5mm), .068 inch (1.7mm)& .043 inch(1.1mm),suitable for RG59 RG58 RG174 RG62 and more. 3. SMA crimping tool kit let you make your SMA extension cable connect security camera to wireless reciever or router.diameter of central pin:1.0mm 4. Compatible with 4G Antenna SMA Wifi Antenna SMA Antenna 4G LTE Antenna Router Colour:As shown Material:Metal + plastic Package Contents: 10 * SMA straight male connectors 1 * coaxial crimping plier for SMA BNC Only the above package content, other products are not included. Note: Light 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.