Credit Card-Sized Scale Ruler for Forensic Photography
Wallet-Card
Need to show scale for your photographs but are tired of carrying or searching for a ruler, tape measure or other guide? Then, purchase a credit-card-sized scale ruler. It easily fits in your wallet so that you can have it with you all the time.
Scale Card
Card is black and white with inches and centimeter scale printed on both sides. The card is durable plastic to withstand rough handling.