Feature: 1. Strong suction: The spherical suction pen and 7 suction cups of different sizes provide enough suction. easy to use. 2. How to use: When the lens is taken out forcefully, gently rub the pen with a suction cup and release the air, then stick it on the surface of the lens, lift it to the lens, and slowly put it in a suitable position. Description: Product Name: Lens Sucker Kit Material: Silicone Colour: Black Suction cup size: 12mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm Length of suction pen: 120mm Packing list: 1pc x Pen 7pcs x Suction Cup Note: 1. Due to manual measurement, please allow 1-3cm error. Make sure you don't mind before bidding. 2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.