Please note the novelty keys shown in the main product image are not available. Oh, forgot one!

Main picture credit: Reddit user tanega.

Key Facts:

They are "high profile" PBT keycaps.

The closest cap that you can compare them to that is also readily available is the Signature Plastics SA profile keycaps.

In addition to their own regularly-produced sets and keys, Signature Plastics also accepts small batch orders from group buys, working with independent designers to produce the orders and deliver them to the group buy organizer for distribution. A unique feature about these caps are that they have a "homing row" where ASDF JKL: all are deep dish keys. The finish will have a Matte finish for a modern finish. Please carefully view the kit diagram image to make sure the keys you require for your ortholinear are included!

PC is a tough clear plastic used for translucent keycaps, popularized by Signature Plastics. Signature Plastics got in on the mechanical keyboard trend early, launching a direct retail site called Pimp My Keyboard.

Source: Pinterest by Sluxi. The set features a Signature Plastic's SA Hi-Profile. This keyset is produced by Signature Plastics in ABS with double-shot legends.

These taller thank standard OEM keycaps, and they also are nicely profiled.

Translucent keycaps.

PVC; probably the least favorable but after ABS, the most common keycap plastic found on inexpensive keyboards.

This keyset is produced by Signature Plastics in ABS with double-shot legends. This is the exact same product as offered on MechSupply, UKKeycaps' sister store.

Please carefully view the kit diagram image to make sure the keys you require for your split keyboard are included! ** enter key is labeled "return" SA Sculpted Profile - Row 112344 The characteristics are quite similar to ABS but more sensitive to heat. The keycaps will be machined using the double-shot process with ABS plastic for never fading legends.