7 Pcs Pen Barrel Trimmer Kit Pen Barrel Trimming System Mill Trimmer Set With 3/4 Cuttinga, 7mm, 8mm, 3/8 Size, 10mm, Guide Shaft, Pen Holder Trimmer Set

1、High-quality materials: special tools for pen-making made of high-quality high-speed steel bars, and milling cutters for milling wood end faces，the sleeve adapter is made of brass。

2、Convenient to use: It is firmly fixed during pressing, which is more accurate and convenient than using a turning tool or grinding the end surface with a belt machine.

3、Suitable size: the pilot shafts contain the sizes of 7 mm (0.28 inch), 8 mm (0.32 inch), 9.5 mm (3/8 inch), 10 mm (0.39 inch) in diameter; The cutting head measures about 19 mm (3/4 inch) in external diameter and 6 mm (0.24 inch) in inner diameter, and the "O" style sleeve adapter fits pilot shaft over 7 mm to keep it in the center position

4、The reamer head can clean the glue on the inner wall of the copper pipe.

5、Various occasions: the pilot shafts are suitable for mounting into a drill chuck, lathe chuck, drill press or hand drill, and they are helpful to polish the pen, mill the hole and clean the inner tube with the tiny size

Specifications:

Material: carbon steel and brass

Size:

Pilot shafts: 7 mm (0.28 inch), 8 mm (0.32 inch), 9.5 mm (3/8 inch), 10 mm (0.39 inch) in diameter

Cutting head: 19 mm (3/4 inch) in external diameter, 6 mm (0.24 inch) in inner diameter

Package includes:

4 x Pilot cutter shafts

1 x Cutting head

1 x Sleeve adapter

1 x Hex key wrench