This is a set of blank Matias keycaps in the Alps style made of white ABS plastic. The set provided is the full set of keys associated with the Preonic Keyboard. There are enough keycaps in the set that you can make up the Grid layout OR the MIT layout. Keys provided are: R4: 12 1x1 R3: 12 1x1 R2: 10 1x1, 2 1x1 Blind R1: 24 1x1, 1 1x2 Note: this keycap set does not include stabilizers or hooks, and they are not necessary for this layout. This is a set of keycaps only. To actually build the Preonic keyboard, you have to buy other parts (like Matias switches available on this site), and other parts available from Ortholinear Keyboards Privacy Policy: matias.store/pages/privacyRoHS for European Residents: www.matias.ca/euProp 65 for California Residents: www.p65warnings.ca.govWarranty Terms and Conditions: matias.store/pages/warranty