PSI Steampunk Bolt Action Pen Kit - Antique Copper & Brass DVD All blades have a 5/16"

All blades have a 5/16" shaft

Solid steel resaw pin for optimum ridgidity

Micro-adjustable press pad for fine adjustments

To determine size (lathe capacity):

PSI Steampunk Bolt Action Pen Kit - Antique Copper & Brass DVD All blades have a 5/16"This unique pen kit combines elements of Victorian science fiction and the industrial revolution into a single bolt action pen kit with classic steampunk styling. Rivet designs, flat head screws, replica Gatling gun barrels and antique finish work together to make this pen kit Steampunk cool and fun to use too! Bolt Action Mechanism Antique finish Traditional Steampunk styling Parker type refill From Penn State Industries Specifications: Finished