Home / Milling / Attachments / Boring Cartridge, Adjustable, Rigibore Micro TR 5B 2 (NOS) (2 Available) Boring Cartridge, Adjustable, Rigibore Micro TR 5B 2 (NOS) (2 Available)$24.95 Categories: Attachments, Lathe Tool Holders & Tool Posts, Mill Tooling Description Description Rigibore Micro Adjustable Boring Cartridge TR 5B 2 (NOS) (2 Available) Related products Arbor Support, Horizontal Milling Machine $125.00 Read more Bracket, Power Feed, X-Axis, Servo Style $35.00 Read more Right Angle Attachment, No. 3, Bridgeport, Item #B51288B $449.00 Read more Right Angle Mill Head, Manufacturer? Fits? 3/8″ Shank, Fits 2-7/16″ $95.00 Read more