Compatibility:
It fit for computer and laptop which use M2 X3 Torx T5 screws locking the parts.
For Dell XPS 13 7390 9300 9305 9310(NOT 2-in-1 )9343 9350 9360 9370 9380,XPS 13 Plus 9320,XPS 13 9320
For Dell XPS 15 7590 9510 9530 9550 9560 9570 9575(2-in1)
For Dell Precision M3800 M5510 M5520 M5530 5530 2-in-1 M5540 M5550
For Razer Blade
For HP Envy 13
For Lenovo YOGA 900
For lenovo yoga 3 pro 1370

NOTE:
NOT Compatible with XPS 13 9310 2-in1
NOT Compatible with XPS 17 9700 9710 which use T5 M2.5X4 screws
NOT Compatible with XPS 13 7390 2-in-1 which use T5 M2X4.5screws