AGT5482, Deluxe Diamond Scribing Pen

This high quality precision diamond scribing pen in a chromium case has a twistable barrel to expose or retract the diamond tip. The screw-type precision mechanism works smoothly and the diamond mounting is firmly affixed when exposed, with no wobble. The diamond has been ground and lapped to a 60° included angle . It has an overall length of 133mm. Refills are available.