Check the listing for details. GAMMONS 11744 Special Chucking Reamer Precision Metalworking Tool. Condition: New – Open box. Listed at 200.00 USD. The GAMMONS 11744 Special Chucking Reamer is a precision metalworking tool designed for professional use in the CNC, metalworking, and manufacturing industries. Made by the reputable brand GAMMONS, this tool ensures high quality and accuracy in cutting and reaming tasks. It is ideal for those looking for a reliable and efficient tool to enhance their metalworking projects.