Mars® 661

• With parallel drafting arm, with double-sided scale
• Convenient single-hand double locking mechanism for setting at any position on the rail
• Twin rail for especially smooth, even gliding of the ruler
• Colour indicator shows whether locked or unlocked
• Sheet clamping strips on both sides of the drawing board for fastening of paper
• Scale with needle hole for precise compass radius setting
• Made of sturdy, break-resistant plastic
• With non-slip rubber feet

Article number

661 A3