Jobu Design Surefoot SF-NXM 5.5" Lensplate Jobu Design Surefoot SF-NXM 5.5" Lensplate - Mounting Screws (2) - 1/4" to 3/8" Captive Screws - 5/32" Allen Key - 3/32" Allen Key - Jobu Design 5 Year Warranty Compatible with lenses up to: 500mm f/4 Lens Dimensions: 5.5" Length Weight: 3 oz. Warranty: Jobu Design 1 year warranty