Connector kits SC SX series,PC/APC ,0.9/2.0/3.0mm ... supply fiber optic SC connector kit, include single mode SC connector kit, multi mode SC connector kit with 0.9mm,2.0mm ... SC fiber products are available by both single mode and multimode ,single mode SC have two types, one is SC UPC ... to the industrial standard, single mode SC UPC connector is in blue color, single mode SC APC connector is green color ...