"Bean" Connectors (without silicone gel) also know as B connector or B wire connector are used to securely splice 19ga to 26ga solid copper wire. Positions wire perfectly for a single easy crimp. They feature insulation-piercing internal teeth and a corrosion-resistant outer covering. These wire splices are commonly used for alarm and telephone installations, and are ideal for use in camera/video installations. Also great for speaker wire.