mayline 60 mobile parallel ruling straightedge model d7265a price per each length type

perfect for engineering and construction applications every mayline parallel ruling straightedge begins with a durable black phenolic laminate base where a transparent blade is inset for see through registration and fine line quality for those who work with a variety of surfaces straightedge is designed with retractile ball bearing rollers of metal or delrin built right into its base they literally float over any surface whether it s paper or film the rollers come in chrome plated brass or plastic plastic rollers are recommended for use with drafting films above board mounting hardware included specifications length 60 type straightedge