This LF-C14 Lens Foot from Haoge is an replacement foot for Canon EF 100-400mm f/4.5-5.6L IS II USM Lens. It features Arca-compatible dovetail which allow you attach your lens to Ball Head, Clamp or Panorama Head of Arca-Swiss standard. Features: Brand: Haoge With AS standard interface, compatible with all Acra-Swiss Style quick release platforms. CNC machined. Hard anodized for better protection from outside environment. Two safety stop screws in both side to prevent drop by accident. Reserved 1/4" and 3/8" screw holes at the bottom. Length: 90mm Height: 37mm Compatible with: Canon EF 100-400mm f/4.5-5.6L IS II USM Package Included: 1 x Haoge LF-C14 Lens Foot