DescriptionThis item is well made of premium material for durable and practical use. It's easy and safe to use with long service life. The precise design will ensure its practicability in the work of high performance. These pliers can be locked, feeing up your hands and making your easier and faster.Features- Color: Silver. - Material: Stainless Steel - Size: approx. 30x8.5x0.6cm. - Purpose: inside and outside calipers are measuring tools for length. - External calipers are used to measure the outer diameter of a cylinder or the length of an object. - The inner calipers are used to measure the inner diameter or groove width of the cylinder. - Selected steel, high hardness, long service life, strong rust and quality assurance. - Product surface smooth, anti - rust treatment.