Features: Accuracy engineered magnetic dials indicator holders features universal tiny adjustment and aluminum alloy construction for stable support in demanding workshop environment. Double models (165mm/340mm) with multi joint articulations and rotating clamps enable 360 degree fine tuning, suitable for 8mm gauges heads and M 5/M 8 threaded equipment interfaces. Essential for mechanical engineers, quality control specialists, and laboratory technicians requiring accurate instrument positioning during complex measurements. Optimizes accuracy alignment tasks in machining setups, molds calibration, and large scale equipment maintenance where flexible reach matters. Combines solid durability with microns level adjustability the delicate Model excels in confined space while Model 2's extended arm tackles wide spans workpiece inspections effortlessly. Specifications: Material: Aluminum Alloy. Medium Yellow Rod Length:Approx. 340mm/13.38inches, Small Universal Length:Approx. 165mm/6.49inches Thread Model: Medium Yellow Rod m 8×1.25/Small Universal m 5×0.8(Optional) Package Includes: 1Pc Universal Joint Rod Brackets Rod note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color.