Seco Indexable Threading Toolholder, Heavy Duty Square Shank, Series: Snap-Tap®, External, Right, 1-1/4 in Shank Width, 1-1/4 in Shank Height, 6 in Overall Length, Insert Compatibility: 16ER, 1.181 in Head Length, ANSI Code: CER1256-16QHD, CER Tool Holder, 1-1/2 in Back of Bar to Cutting Edge, Clamp Insert Holding Method, No