Features: Brand new and high quality We have provided you with 2pcs blue wire twisting tools and 5 models of wire caps suitable for different thicknesses of wire.100pcs high quality insulated wire caps in total. The red, yellow, and orange wire caps, combined with This wire twisting tool, will greatly improve work efficiency. This wire nut driver is the universal wire connector tool for most wire caps with/without wing. This wire Twisters is designed to help enable quick installation of wire connectors , it is a necessary equipment and perfect choice for electricians. This wire Twisters is fast and easy to use, which speed up the assembly process of switches and sockets, saves lot of time for screwing nut. This wire twisting spinner is made from high-quality, high-density materials, ensuring long-lasting performances and reliability. The wiring connector driver with a 1/4 "chuck is suitable for most driver sockets or drill bit to accelerate the installation speed of the wiring connector, prevent excessive tightening of the wiring nut, and establish a strong connection between wire Specifications: Material:Plastic+Metal Size:Approx.8.38x2.8x2.8cm/3.3x1.1x1.1inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set Wire Nut Driver