Item specifics:Magnifying: 2.5X 7.5X 10XGlass Diameter: 90mm (big one) 34mm (small one)Support clamp is adjustable.It is a very ideal tool when the third hand is required.They can irradiate at any position of working objects.It is a kind of useful auxiliary tool to workers in welding or modeling field.Base surface is padded with steel sheet to increase base weight and reinforce stability.With interchangeable magnification， two auxiliary lens are stretchable to make work easier.Five LED lights installed on flexible metal tube have high brightness， with convenience and flexibility. Package Included: 1 X 5LED Auxiliary Clip Magnifier