re: Starrett Improved Trammel Points

Thank you! I pulled out some 0.5mm lead and tested it in the pencil socket. Just absolutely incredible. I bet this thing would even hold on to 0.3mm lead (if I can find any, I will test it out). I used a caliper to confirm the lead, and it read 0.55mm so not exactly 0.5mm, but I have confidence in this tool’s ability to work