1、FUNCTIONS: Frame square accessories, circular saw stair meter knobs, stair string rod layout, using woodworking square to mark repeated angles, using woodworking square to guide the saw for angular cutting 2、DURABLE ALUMINUM ALLOY: High level table gauge is made of excellent aluminum alloy, surface anodized, stable and durable 3、STABLE AND RELIABLE: The hex plane design of the tall stair gauge is more suited to edges than circles, and the taller body allow the ruler to be completely perpendicular to the material, clamping the workpiece very steadily and accurately 4、NON SLIP AND PORTABLE: Stair gauge is fitted with black oxidized steel thumb screws that are non slip, durable, easy to grip and tighten onto any raft frame, even when wearing gloves 5、FINE CRAFTSMANSHIP: Stair gauge using advanced technology with excellent craftsmanship to bring smooth surface, which is safe to use 1 x Tall Stair Gauge Item Type: Tall Stair GaugeColor: BlueMaterial: Aluminum alloyApplication Range: 90°Application: Suitable for woodworking square stair auxiliary clamp