Mars Comfort 551 Precision Compass

All-metal spring-bow compass feature a center wheel that delivers precision setting and prevents unintended setting adjustments. Maximum circle diameter is 10-3/8” (265mm). Design features interchangeable lead part and a nickel finish to resist rust and stains. Compass includes a spare lead tube and comes in a plastic wallet.

Product Features

  • Prevents unintended setting adjustments
  • Maximum circle diameter is 10-3/8” (265 mm)
  • Includes a spare lead tube and comes in a plastic wallet
  • Size: 3-1/4″W x 1/2″D x 7-1/2″L