1. For E-M1 III base plate and vertical plate are 100% compatible with RRS lever-release clamp 2. E-M1 III features a detachable design, the base plate and vertical plate can be easily disassembled and assembled to fit different experience.3. E-M1 III grip will not affect -D E-M1 III battery compartment lid opening and the data cables hatch opening, will not affect the folding and opening4. The base plate has reserved extra 1/4 Inch -20 threaded mounting holes and strap hole for additional functions.Colour: BlackMaterial: aluminum alloyPackage Contents:1 x Quick release plate1 x wrenchOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.