Specification:Material: MetalSize A:Only 27cm BoltSize B:Size B:27cm Bolt +34cm Battery TrayEasier and Safer Recessed slots design, so battery won't make contact with tray fasteners.Fitment Universal battery tray hold down clamp kit Suitable for automotive or marine use.High Quality Sturdy metal construction, good bearing capacity and durable in use.Strict testing Pre-quality testing, the factory in accordance with strict quality control standards for multiple testing, to ensure a long service life.Description:100% new and high quality.Made of high quality metal material, durable and good carrying capacityAdjustable clamp with range of 146mm-203mm widthRecessed slots design, so battery will not contact drawer fastenersUniversal battery tray and hold down clamp kitSuitable for automotive or marine useNote:1. by the light and screen difference, the item color slightly differ from the photos.2. you stand 1-3cm differences due to manual measurement.