Review on T Shape 4-Pin LED Connectors 10-Pack - JACKYLED 10mm Wide Unwired Solderless Gapless Adapter Connectors Terminal Extension 12V 72W with 32pcs Clips for 5050 3528 SMD RGB LED Strip Lights: Buy Now! by Chris Ostby

These are great connectors at an affordable price. They make great advertising, and the connectors can be used as a lane-to-lane connection when you don't need a T-bend. Just a few things I didn't like about them. First, these things are ridiculously difficult to open. Because of this, I broke my nails several times. A slotted screwdriver only helped and often damaged the terminal block if you weren't careful. So a word of caution: unplug them all at once and don't plug them back in until the lights come on and you've tested to make sure everything is working. Second, the tee is very easy to break. In use this is not a problem at all because everything is still, but when hanging fixtures any tension can cause the connector to break. Overall they do what they say but they argue a little.