This the the Left and Right mouse buttons, pulled from the touchpad palmrest assembly compatible with the 5720 / 7720laptop / notebooks.
Compatible Dell Laptops:
Inspiron 17R (5720)
Inspiron 17R (7720)
Dell Part Number: n/a
Alternate Part Number's found on board:
DAR09TB16E1
E3A H31D1221
3VR09TB0010