IDEAL CAN-TWIST WIRE CONNECTORS 1000PC JARExceptional wire range capacity listed for over 800 different wire combinations from 22 to 8 AWG (solid and or stranded) Ergonomic, easy twist design only a few turns are needed to achieve torque, without the need to pre twist wire Heat set, square cut springs stay in place, and firmly grip wire for superior connectivity Flexible outer shell virtually eliminates cracking, expanding to securely accommodate wire indicated by white expansion lines