Specifications: brand, Tarot, Weight 250. 00 g information on tarot products 25mm dual motor suspension mount has the capability to 2 motors for larger thrust and longer flight time. Equipped with the damper ring to reduce vibration. T6 grade 6061 aluminum alloy applied, Full cnc processed. Applicable to booms with 25mm diameter diy modifications lightweight and dual, Color designed, Which stands out distinctly in the air. Motor installation Triangles with equal sides available in sizes of 16mm, 19mm, 25mm, And 27mm installation specification cf fix plate x2 66x51x1. 6mm 6. 9g metal motor upper mount x1 116x58x17. 5mm 52. 8g metal motor downer mount x1 116x58x17. 5mm 56. 6g m3x10mm hex collar screw x8 m3x6mm hex step screw x4 m2. 5x6mm hex step screw x2