GTC030-20-27PZ-B30 GTC030-20-27S GTC030-20-27S-025 GTC030-20-27S-025-B30 GTC030-20-27S-025-B30-LC GTC030-20-27S-025-LC GTC030-20-27S-027 GTC030-20-27S-B30 GTC030-20-27S-B30-025 GTC030-20-27S-B30-LC