DF53-2S-0.6H DF53-32PCF DF53-3P-0.6C DF53-3S-0.6H DF53-4P-0.6C DF53-4S-0.6H DF53-5P-0.6C DF53-5S-0.6H DF53-6P-0.6C DF53-6S-0.6H