Pen Kit Mall - Replacement Brass Tubes for Bolt Action Pen Kit, 10-Piece

Fits Bolt Action Pen Kit - REPLACEMENT TUBES 10 pc replacement tubes PKCP 8020 8010 8030 8040 AND MANY OTHERS TUBE SIZE 3/8 X 1.95 INCHES

Spare Pen Tubes – Williams Pens & Turning Supplies.

Brass Tube - Mini Key Ring Pen Kit, Mini Key Ring

Woodpeckers Turning Tools - Pen Mandrel System and Precision

PEN MAKING - Pen and Pencil Parts - Pen Tubes - The Woodturning Store

Replacement Tubes for Bolt-Action Pen Kits, 5-Pack

Pen Accessories and Spare Parts – Pop's Shed

Pen Accessories - Black Forest Wood Co.

Steampunk Bolt Action Antique Brass and Antique Copper Pen Kit at Penn State Industries

Lever-Action Rifle Pen Hardware Kit, Antique Brass