Description of Baomain Splice Terminals Connector Insulated Industrial Electrical
Connector Width: 2.8mm / 0.11". Suitable for Cables 0.5 mm2 to 0.8 mm2. Material: Tin. Our Amazon Shop ( Baomain ) has an offer of other Terminals. Package Content: 100 x Terminal.
I asked what tool to use. Not getting a clear answer I tried two and found this one works great - https://www.amazon.com/gp/product/B01N1RFZZ4/ref=ppx_yo_dt_b_asin_title_o03_s01?ie=UTF8&psc=1