Stainless steel.
Old model STAEDTLER 925 25 Staedtler Mechanical Pencil 0.7
Precision Stainless Steel Ruler Set: 12-Piece Dual-Scale Measuring Tools with Hole for Hanging, Ideal for Office Engineering and Drawing 15/20/30cm
Crack Measuring Ruler Size Chart Meter Record Crack Gauge Ruler for Crack
Crack Measuring Ruler Crack Measuring Instrument Crack Gauge Ruler for Crack
Crack Measuring Ruler Crack Gauge Ruler for Crack Monitor Wall Deformation
Yardwe 4pcs Clear Scaling Ruler: Portable 2X Magnifier Multi Purpose Measuring Tools for Engineering Students - Pocket Size Transparent Scale Ruler
