... /0.75/1.0/1.5/2.0/2.5mm I.Needle Lenghth and Use By :0.20mm--Home Use 1 ... .50mm--Physician Use0.75mm--Clinical Use 3.00mm--Physician Use I Used for skin problems: Wrinkles, Aged skin, Acne scars, Large ... the skin Derma skin roller New model for eyelid,lid MP-1114