500 Pcs Wire Ferrules Kit, Hanibos 0.5-10mm² (22-7 AWG) Wire Terminal Ferrules Crimp Connector Insulated Electrical Ferrules 8 Sizes Cord Pin End Terminal Ferrules Kit Terminal Crimp Connectors

Crimps are of good quality and there is a large selection of sizes.

All good. Conducts well with a few tests

Good product.

Good collection of various sizes

It did the job.

These connectors are incredibly easy to connect, simply insert the wire on the inside, then insert into the crimping tool and crimp. They do have the added advantage of holding the wire more secure in the connection. There is a good choice of sizes, they should make it easy to connect most wires into terminal blocks. You will need to make sure that you have the correct crimping tool to use these connectors. They cannot be used with just using pliers, as you will not get the connectors tight enough.

There's not a huge amount I can say about these other than, like that well trod advertising copy, these do exactly "what they say on the tin..."The range of sizes seems to cover all likely cables and combinations of cables and the crimping creates an effective secure bond with both solid and stranded cables. The plastic connections can also be crimped to create a secure connection to the cable sheath too.

As a general guide, you will probably want to use the black ferrules for lighting cable (1.5 mm²) and the blue ones for socket cable (2 mm²). However don't take this as professional advice and always consult an electrician.I've taken off a star because the clasp on the case which was broken, however the seller was fast and efficient at helping.