Featuring standard and metric map scales on one side miles and kilometer scales on another side Great for camping, hiking, fishing., the necessary tool for everyday life Precise metal measuring tracing wheel, smooth and easy to move Plastic housing and ABS material, durable and wear resistant Shockproof: The distance calculator compass is shockproof, suitable for outdoor traveling Description: Plastic housing and ABS material, durable and wear resistant. Precise metal measuring tracing wheel, smooth and easy to move. Great for camping, hiking, fishing., the necessary tool for everyday life. Shockproof: The distance calculator compass is shockproof, suitable for outdoor traveling. Featuring standard and metric map scales on one side miles and kilometer scales on another side. Specifications: Material: plastic. Size: 97*38mm. Color: show as pictures. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package include: 1 * Map Measurer.