Our Shipping Conditions: Attention: The goods will be shipped from UK Delivery time: 2 to 4 working days Support 60 days return policy Reply within 24 hours About This Item: -It can be used to accurately measure the position of stamps and eccentric holes. The height and depth of the hole are adjustable to achieve accurate positioning. -Made of high-quality 6061 aluminum alloy and precision hardened steel, high-precision CNC processing, anodized surface, with extremely high strength and service life. .