This measuring tape expands to up to 16 feet (5 meters) and has both sae and metric units. It increases in 1/32" and 1 mm increments, so you'll be able to get very precise measurements. The tape itself is about. 5" thick, and it is held in a durable plastic body. The tape measure also comes with a thumb lock, metal belt clip and a handy nylon wrist strap. This is a must-have item for any workbench, garage, crafting area or kitchen.