Feature(may vary by option.)

●Drive: 3/8 inches (9.5 mm)
●2 sided width: 0.7 inches (17 mm)

[Silver 3QCF-19: Width across flats: 19mm]

[Silver 3QCF-17: 2-sided format: 17mm]

Description

Size: 3QCF-17: 2-sided width: 0.7 inches (17 mm), can be tightened using a special ratchet mechanism. Open type Can be used for various plumbing such as air conditioners, hydraulic equipment, and car sensors.