Flex Shaft Hanger with C-Clamp - SFC Tools - 34-610 C-Clamp for simple screw free bench or table mounting. Telescoping hanger extends up to 42" above your work area. Thumb screws provide simple height adjustments. 10" swing arm. Dimensions: Overall Length (Including extended arm): 45", C-Clamp Mouth: 4", Arm-length: 9".