Eathtek Replacement Keyboard Without Frame for HP PROBOOK 450 G0 450 G1 455 470 G1 Series Black US Layout, Compatible with Part Number 721953-001 727682-001 MP-12M73US-442 90.4ZA07.L01 Compatible Model Numbers: HP PROBOOK 450 G0 450 G1 455 470 G1 Compatible Part Numbers: MP-12M73US-442 721953-001 727682-001 90.4ZA07.L01 Replacement and high quality,Replace your faulty, cracked or broken keyboard Each keyboard is tested before shipping All pictures are taken from the real item, please check carefully before bidding.