HP 64X High Yield Black Toner Cartridge, Prints Up to 24,000 Pages (CC364X), Pack of 2

1) HP 64 toner cartridges work with: HP LaserJet P4014, P4014dn, P4014n, P4015dn, P4015n, P4015tn, P4015x, P4515n, P4515tn, P4515x, P4515xm. 
2) Cartridge Yield (approx.): 24,000 pages each. 
3) Color: Black. 
4) What's in the box: Two (2) new Original HP 64X High Yield Black Toner Cartridges (CC364X). 

[features] 
Yield Type 1: High Yield; 

Supply Type: Toner; 

Cartridge Yield Type: High Yield; 

MICR Toner: No; 

Number of Black Cartridges: 2; 

Ink or Toner Cartridge Type: Original; 

Page Yield Per Cartridge (Up to): 24,000; 

[color type] 
Yield Type 1 Color: Black; 

Ink or Toner Color: Black; 

[yield per cartridge] 
Number of Color Cartridges: 0; 

Yield per Cartridge (Black): 24,000; 

[additional details] 
Series or Collection: LaserJet; 

Total Number of Cartridges: 2; 

True Color: Black; 

Family Model #: 64X; 

Pack Qty: 2; 

Ink or Toner Pack Size: 2/Pack.