Lang flat ratcheting box SAE wrenches can get to those ”hard-to-get-at” nuts and bolts. Ratcheting box wrenches from Lang Tools are well known for their long life, ease of use, quality and accuracy. Lang flat ratcheting box wrench handles are nickel-chrome plated for lasting quality and assurance.Lang ratcheting box wrenches are made of high quality, heat-treated steel and finished with a nickel-chrome plating. The result of this process are durable, long-lasting Aircraft Tools. All Lang flat ratcheting box wrenches utilize the ”torque grip system”. Openings are accurately broached for that perfect non-slip fit and critical parts are heat-treated to ensure safety and durability.