Abstract: A marking triangle includes two partial triangles connected via a joint and in which, when the marking triangle is folded, a cut-out forms contact flanks which, together with a marking edge of the bottom of the recess, allow for a center to be marked on a workpiece. In addition, a solder body of a plumb line can be inserted in the recess.

Abstract: A device for carrying out miter cuts includes two limbs which are secured to a central element in a pivotal manner in each case and so as to be fixable in pivoted positions. Each limb has a stop strip with a contact surface, wherein the contact surface lies opposite a counter contact surface formed by a counter stop. The distance between the contact surface and the counter contact surface can be adjusted by an adjusting element. Furthermore, the limbs and the central element are made of plastic, and a region of the central element from which the guide elements originate and which extends at least over the region between the guide elements has either a metal plate or an exchangeable sacrificial plate.