Parallel drafting arm with double-sided scale

Convenient single-handed double locking mechanism for setting 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 - securely holds more than one sheet at a time

Scale with needle hole for precise compass radius settingMade out of sturdy, break-resistant plastic

With non-slip rubber feet