Hex-Pro Metric Hex Set- 180 degree swivel head with extra long handle for accessing hard to reach places. Kit includes 3, 4, 5, 6, 8, and 10 mm wrenches. Pivot design allows for easy rotation around obstructions. Pivot design allows you to keep the wrench and fastener engaged when access is limited. Great time saver. Heat treated alloy tool steel. Chrome plated finish. Includes heavy duty folding canvas storage pouch. Takes up less storage space than a typical hex key set.