Features: Ensures a secure and stable connection with our wire connectors caps, featuring internal angle steel spring that increases the conductives area for a tight crimp with out cracking or fallingoff. Crafted with a onepiece molded case, these connectors caps resist aging and offer excellent electrical insulation, making them a for all your wiring needs. For electricians and diyer home renovators, these wire caps simplifying the task of joining wire with their easy to use, twist on designs. Enough for multiple applications, use these caps for wiring electrical meter, connecting household appliances, or tidying up circuit connections. Experience wire joining with our flame retardant wire connectors caps; just strips wire, insert, twist, and achieve a precise, shake proof connection in second. Specifications: Component:Plastic Size:Approx.15x6.5mm/0.59x0.25inch Package Includes: 300pcs Wire Connectors note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. ②.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.