iShoot Lens Collar Replacement Foot Tripod Mount Ring Base IS-THP140 Compatible with Panasonic Leica DG Vario-Elmar 100-400mm f/4-6.3 ASPH. POWER O.I.S. Bottom is Arca Fit Quick Release Plate Feature for RRS / Arca-Swiss Fit Ballhead Clamp Main Features: 1. The lens collar replacement foot is made of high-density Aviation Aluminum, lightweight and solid; precisely machined by world-class high-end CNC turning center; hollowed-out work processed by Multi-Diamond Cutter finely; 2. The Tripod mount ring base surface using vibration polishing technology and multiple anodic oxidation, greatly increased the color uniformity of the metal surface; the appearance and exquisite workmanship is much better than similar products made by mold; 3. The lens collar foot adopts the original factory standard, and the shape is redesigned, the volume is about 86 x 39 x 29mm, and the net weight is about 85g; the locking screw has a built-in spring; 4. The bottom quick release plate of the replacement foot is about 46mm in length, adopts ARCA-SWISS / RRS standard fit, and reserved 1/4 and 3/8 screw holes, equipped with stainless steel non-slip screws. 5. This lens support bottom is added Quick Release Plate feature of 39mm Arca-Swiss fit, compatible with RRS / ARCA-SWISS / PMG / WIMBERLEY / MARKINS / PHOTOCLAM / SUNWAYFOTO / BENRO / SIRUI / MARSACE / ISHOOT ball head of Arca 39mm fit, suitable for iShoot IS-JZ30 / IS-JZ50 / IS-JZ64 / IS-QJ58 / IS-QJ64-FD / IS-JZ60BK / IS-JZ70MFT / IS-JZ80BK. Compatible with: Panasonic Leica DG Vario-Elmar 100-400mm f/4-6.3 ASPH Power OIS Package Includes: 1 x iShoot Lens Collar Foot IS-THP140 for Panasonic Leica DG Vario-Elmar 100-400mm F4-6.3 ASPH Power OIS (Note: The other items in the photos not listed here are for illustrating only, not included)