8 inch 3D Multi-Angle Measuring Square Ruler, WT103C High Precision Hole Scribing Woodworking Tools, 0-90° Aluminum Alloy Carpenter Square with Stair Gauges, Carpenter Pencils 6 Refills. 8 inch Square+Pencil+Stair Gauge Imperial is up for auction in Tools & Home Improvement. The current bid is $11.50, 54% below the $24.91 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.