Button Spring :

Select an option. Taiwan Button 40g Spring Taiwan Button 50g Spring Taiwan Button 100g Spring Sanwa Button 40g Spring (+$80.00) Sanwa Button 50g Spring (+$80.00) Sanwa Button 60g Spring (+$80.00) Sanwa Button 100g Spring (+$80.00)

BT Button Switch :

Select an option. Omron VX-01-1C23 (50g) Omron VX-01-1C22 (25g) Omron V-10-1A4 (100g)

FX Button Switch :

Select an option. Omron VX-01-1C23 (50g) Omron VX-01-1C22 (25g) Omron V-10-1A4 (100g)