Screw on wire connectors
Spring inside - more info check here: http://www.sourcingelectricals.com/Screw-on-wire-connectors-10079518/
Place of Origin: Zhejiang China (Mainland)
Brand Name: NCR
Product Packagings & Delivery Terms:
Specifications and Product Details:
Shell material: Nylon 66 with spring inside.
Function: applied to all the electrical products, lamp fitting with requirement of high temperature resistance.
The product can be reused with safe and reliable performance,
Usage: peel wire coat, insert the wire in, then tighten.