Stair Gauges for Framing Square – Speed Rafter Square Jigs as Layout Marking Gauge Tools with Carabiner and 2 Bubble Spirit Level
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1. Two Clamp Systems: Our stair gauges have been upgraded with two clamp systems, one for clamping onto most framing squares and speed squares, the other is a round hole to fix the cylindrical drawing line gauge.
2. Thickened Thumbscrew: Even in the cold winter, you can easily turn the non-slip threads knurled thumbscrew while wearing thick gloves, makes it easy to grip and tighten onto any carpenter square.