Very fine and flexible stainless steel ruler is made of the finest quality stainless steel This ruled straightedge is flexible enough to permit measuring (non) and marking on curved surfaces. Highly recommended for rescribing raised and recessed panel lines. Thickness 0.08mm length 170mm We recommend this universal rule to all modelers. Recommended for : Scribers - (MN001 3D Scriber,MN038 3D Thin Scriber, UMM01 UMM Scriber SCR-01, UMM02 SCR-02, UMM03 SCR-03 and UMM000 Scriber set)