Gradient?s parameters:

Create Professional Software Box in Photoshop CS

Blending Options-Stroke

Create Professional Software Box in Photoshop CS

Select the shown instrument here and try to represent an opening of black
color like in the picture below:

Create Professional Software Box in Photoshop CS

Blending Options-Drop Shadow

Create Professional Software Box in Photoshop CS

Copy this new made layer and place it the way it is shown next step:

Create Professional Software Box in Photoshop CS