Ceratech KYB500-S24AUSBBK Wired USB Compact Keyboard, QWERTY (UK), Black

The Ceratech S24 keypad is a fully programmable 24 key durable keypad designed for heavy use and multiple users. The Cherry MX black mechanical key switches give this keypad excellent durability and product lifespan. The keypad can be updated with additional double, quad or blanking keys to speed up any data input and ease of use.

True keyboard wedge function
Internal metal plate for increased protection against ESD
Compact and slim design
Each programmable key can have up to 8 layers