Product Name: China Factory base-Closed Fork Extension for Forklift Forks Model NO.: EXI1200...EXII1800...EXIIV3000 Standard: Standard Customized: Non-Customized Surface Treatment: Black Paint, Plastic Spraying Material: Q345 Trademark: BFP Transport Package: Wooden Pallet Origin: China HS Code: 8431209000 Product Description 1. base-Closed extensions are populare for EU market. 2A, 3A with 6mm steel plate; 4A with 6mm thickness steel plate.2. base-opened extensions are popular for North America. Light duty for 2A, 3A forks.3. The length of extensions should not exceed 150% of the forks. For example, the forks are 1200mm, then the Extensions should be less than 1800mm.