Realforce 87U Tenkeyless (White/Gray) 87-Key US ANSI English Layout 4mm travel Topre Electrostatic Capacitive Key Switches 30 to 45 gram weighting (letter area), and 55 gram weighting (Esc) Integrated Ten-key Numberpad (outputs true 'Num' keycodes) High durability PBT (polybutylene terephthalate) keycaps (Spacebar is ABS)