Use special screws (triple thread) in the car, you can open and close quickly and with both legs in the middle without turning car. Diameter of the junction are the same as compass other Dorapasu companies in diameter 3.5mm. Diameter of the needle can distinguish both needle and pencil so diameter 2.0mm. When you can use a relay, you can draw a great circle with a radius of 250mm. Compass Sharp will use the (four types of 0.3 ~ 0.9mm) in diameter 3.5mm.
|Poids de l'article||240 g|
|Dimensions du colis||20 x 11,6 x 2,4 cm|
|Recommandation d'âge du fabricant :||18 ans et plus|
Large spring compass 3-pack 02081 The exchange Dorapasu Germany type differential (japan import) - B000U9S83M