Production Suite pen, pen rotatable mandrel and trimmed package, wood spindle # 2 Morse tapered , and a grinding belt 7 mm drill bit, for the production of woodworking lathe parts Pen pen on the trim set may be removed The dry glue can also remove impurities from the nib and help you easily insert the refill. The pen-turning mandrel helps to eliminate vibrations that occur when rotating the blank, and the mandrel is than necessary. This fountain pen making kit includes a barrel trimmer set and a nib turning mandrel with a 7mm drill bit, the set comes with roller trimmers and drill bits with different sized shafts to suit your woodworking needs and help you work more efficiently. dimensions: total length: 8 inches in diameter: 6 mm / 0.24 inches pen shaving dimensions: guide shaft: 7 mm (0.28 inches), 8 mm (0.32 inch), 9.5 mm (3/8 inch), 10 mm (0.39 inch) diameter cutting heads: an outer diameter of 19 mm (3/4 inch), an inner diameter of 6 mm (0.24 inch) Colour:silver Material:Metal Package Contents: 1 set x pen blanks