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Department :
METAL STEM & Screw thro bowl |
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Bob Phillips has this as Carlson Cob, no markings on my example, an alloy tube 1/2 inch diameter with a black plastic front end cap, vulcanite bit. The cob bowl has a threaded metal insert to take the screw that is an integral part of the stem. Overall length 5 inch (130 m/m) |
