This product is delivered directly from the manufacturer. Payment method selection screen shows "cash on delivery" but is not available. Payment can be made via card or bank transfer. This product is not available for sale to Okinawa, Hokkaido, or remote islands. We appreciate your understanding. ※ This image is an example image. Some parts and knockoffs may be present. Please check the model number and product name. Pad size: φ4.7 inches (120 mm); Pad material: Natural rubber; Adjustable range: 0.0 - 0.3 inches (0 - 8 mm); Fine-tuned with the handle to secure the glass plate in an exact position. The core is polarized, so it can be adjusted up to 0.3 inches (8 mm). The glass plate is already attached with a highly sticky adhesive that can be easily placed along the pre-set polarized suction straps. ● The glass plate is held by hand and is positioned against the polarized suction strap, and can be re-positioned correctly by fine-tuning the polarized suction strap.