The Jackson SUW-14783 Jumbo Radius Marker provides up to a 40" radius for layout work. Applications include keyway layout, declivity measurement, centreline setting and angle establishment. It also supports marking for butt-ins and locating interior points in tanks or pipes. An anodized aluminum construction offers rust protection, while the folding design allows the tool to close down between tasks. The marking holder accepts pencils as well as flat or round soapstone.

• Maximum radius: 40".
• Rust-proof anodized aluminum construction.
• Precisely aligned arms use spring-tension joints for accuracy and rigidity.
• Heavy-duty friction joints help retain precision and rigidity.
• Holder accepts pencils and soapstone in flat or round forms; a soapstone crayon is included.
• Folding design.