I designed this after using a standard cheap "Helping Hands" and found it anoying. It uses the parts from the helping hands, some M8 x 16mm Allen socket cap hed screws & some M3 x 16mm hex socket button head screws with M3 nylocs. The M8's hold everything in place while the M3's are for fixing the clamps and magnifiying glass to the arms. I sized the holes for the M8's so they could be directly tapped without drilling. The holes for the M3's are just close fit through holes.