Feature:1. HIGH QUALITY MATERIAL: The speaker basin stand is made of high quality iron material, which is strong and durable, and can be used for a long time.2. GOOD PERFORMANCE: The speaker basin frame has high temperature resistance, corrosion resistance, wear resistance and scratch resistance.3. STRONG PRACTICABILITY: The speaker basin frame is exquisitely made, light and practical, portable, with foot solder tabs, easy to install.4. EASY TO USE: The reverse side speaker subwoofer basin stand is very easy to use, just remove the old one and replace it with a new one.5. SCOPE OF APPLICATION: This speaker iron basin frame is widely used for 5 inch speakers, suitable for DIY speakers or repair speakers.Specification:Item Type: Reverse Speaker Basin StandMaterial: IronOuter Diameter Size: Approx. 147mm/5.8inDiagonal Screw Size: Approx. 138mm/5.4inThe Maximum Outer Diameter of the Cone: Approx. 128mm/5.0inSecondary Inner Diameter Size: Approx. 118mm/4.6inBounce Size: Approx. 94mm/3.7inHole Size: Approx. 32mm/1.3inOpen Mounting Size: Approx. 120mm/4.7inWasher Hole Size: Approx. 58mm/2.3inWasher Size: Approx. 42mm/1.7inPot Holder Size: Approx. 38mm/1.5inApplicable Speakers: for 5 inch Speakers.Package List:4 x Speaker Basin Frame4 x Foot Solder TabNote:Please allow some errors due to manual measurement.