Description:  Made of aluminum alloy, high precision, anti-rust, stable and durable to use.  Comfortable and feel smooth to the touch.  High precision and clear scale, making the operation more accurate.  From mearsuring 45 degrees, 90 degrees, depth, width to drawing lines.  You can mark the object by utilizing the main scale as a ruler.  Easy to read, Blades are engraved with marks on the scale with white markings on black smooth backgrounds for increased readability.     Specification:  Type: Caliper   Color: black  Material: Aluminum Alloy  Length: about 300mm/11.81 inches  Suitable: Woodworking DIY     Package included:  1 x Caliper      Note:  1. Due to the light and screen difference, the item's color may be slightly different from the pictures.  2. Please allow 1-3cm differences due to manual measurement.