ToolUSA Super Trio Of Eye Loupes, 10x Clip On Loupe, 10x Headband Loupe And 15x Loupe: KIT-MG920 Each Loupe Has A 1.5" Diameter. Loupe Design Makes It Fit Perfectly For A Clear View. Headband Loupe Is Adjustable To All Head Sizes. Includes 10x Magnification And 15x Magnification To Fit Many Needs. Clip Can Be Worn On Glasses.