Features 1Using aviation aluminum, CNC precise processing, surface anodized, durable, anticorrosion. 2Hollow engraving precise processing, using vibration polishing technology, 20% higher than manual polishing accuracy. 3Adopt the original factory structure design, improve the appearance, increase the expansion function. 4Including wavyshaped handle, screw holes at both ends, petalshaped locking knob, fit for Nikon/Nikkor Z 70200mm F2.8 VR S. 5Adopt for ARCASWISS/RRS standard, 1/4in and 3/8in screw holes, stainless steel nonslip screw. Specification Item Type: Lens Collar Foot Material: Aluminum Alloy Color: Black Weight: Approx. 151.0g/5.3oz Maximum Load: 2-5KG Fit for Nikon/Nikkor Z 70200mm F2.8 VR S Package List 1 x Lens Collar Foot 1 x Hex Wrench