They produces a great contrast and emphasizes the textures, reliefs and fissures of the lighted object. Because any relief, even a small one, produces a very defined shadow. 

Available models:

	Model	Width*	Height*	Angle
	PRY0504	36 mm	38 mm	30º
	PRY0906	63 mm	81 mm	30º
	PRY1609	81 mm	153 mm	30º

* Width and height of the emission window.