Nice i did a 520,638, and a 450nm Sinner magic pen builds in all three WL's. i will finish with one more magic pen in 405 BDR-209 16x from a sled i have. Love those pens . i ha ve about5 of the Laser 66 pen hosts sitting in stock for the future.
Nice job my friend just remember they get hot really fast with a high power diode and will not last long at all . Fried and kaput