The keycap profile for Keychron regular K series (K14, K12, K10, K8, K6, K2) and C series are OEM profile.
For the K Pro series (K14 Pro, K12 Pro, K10 Pro, K8 Pro, K6 Pro, and K2 Pro), K Max series (K2 Max), V Max series and Q series, OSA profile (OEM height, SA shape) is used.
For the K Pro series (K17 Pro, K15 Pro, K13 Pro, K11 Pro, K9 Pro, K7 Pro, K5 Pro, K3 Pro and K1 Pro), K Max series (K17 Max, K15 Max, K13 Max, K11 Max, K7 Max, K5 Max, K3 Max and K1 Max), LSA profile is used.
For the Q Max series and Q Pro series, KSA profile is used.
For the Lemokey L series, cherry profile is used.