49mm Variable ND Filter Black Diffusion 1/4 Effect & ND2-32 Filter 2-in-1, with 28 Multi-Layer Coatings - Nano-Xcel Series

SKU: KF01.1808

Q
I recently bought this. I was wondering if anyone know what kin of screwdriver is needed to remove the orange thumb dial?
Answer Question
A
Hi, the orange putter is to help adjust the filter more conveniently, if you remove it, the cpl and nd will seperate,will effect to use it.