iShoot Universal L Bracket Unibody Vertical Shoot Quick Release Plate Camera Holder Grip for Canon Nikon Sony Minolta Pentax Olympus Made of aviation aluminum, CNC precision machining, anodized surface treatment, unibody design, all screws are stainless steel 1/4 screw hole is reserved on the side for external extension, also play a role in reinforcing With 39mm AS standard interface, compatible with RRS / ARCA-SWISS / KIRK / Wimberley / MARKINS / SUNWAYFOTO / kangrinpoche / BENRO / SIRUI ball head of AS standard interfaces, and compatible with iShoot IS-JZ30 / IS-JZ50 / IS-JZ64 / IS-QJ58 / IS-QJ64 / IS-JZ60BK Bottom with sliding design, the cross travel of the stainless steel screw for fixing camera is about 12.8mm, the longitudinal travel is about 15.8mm; can be adapted to the position of the screw holes of most of the camera Bottom designed with a detachable pallet, fixed by screws, can be installed to both sides of the quick release plate according to the width and shape of the bottom of the camera, so as to increase the contact area