Span length is 92 mm (3.62 in). Axle spacing is 90 mm (3.54 in). Pin diameter is 25 mm (0.98 in). This mini excavator grab has a strong clamping force. Built for tough jobs: Our grapple attachments are made of high-hardness manganese steel and have a solid structure to ensure excellent durability and wear resistance even in demanding conditions. It is perfect for tasks such as forestry operations, site clearing, recycling facilities, waste management, landscaping projects, etc.