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

Available models:

	Model	Width*	Height*	Angle
	PLC0307	72 mm	20 mm	30º
	PLC0615	150 mm	20 mm	30º
	PLC1231	306 mm	20 mm	30º

* Width and height of the emission window.