30Pcs Metric & Inch Combination Hex Key Set

A 30-piece metric and inch combination hex key set is a comprehensive tool kit that includes hex keys of various sizes measured in both metric and inch measurements. It provides versatility and convenience for working with a wide range of hexagonal socket screws and bolts, accommodating different measurement systems commonly used in various regions.

Here are the key features and functionalities of a 30-piece metric and inch combination hex key set:

Metric Hex Keys: The set includes a range of metric hex keys measured in millimeters (mm). These sizes typically cover a wide spectrum, starting from smaller sizes like 1.5mm and going up to larger sizes such as 10mm or more. Metric hex keys are commonly used in many countries around the world.

Inch Hex Keys (SAE): The set also includes a selection of inch hex keys measured in fractions of an inch. These sizes cater to the measurement system used in the United States and some other countries following the imperial measurement system. Inch hex keys may start from small sizes like 1/16″ and go up to larger sizes like 3/8″ or beyond.