Review on Performance Tool W38160 Spark Socket by Brandon Boones

Actually need it for plumbing (3 valve shower set US Hampton standard - 14mm deep base required to remove mixer valve - no standard valve wrench will do) - the head can Can be fitted with a wrench on the drive end (has six sides) - this allows you to get torque without using a 3/8 drive. The hole under the square key needs to be enlarged a bit. to allow the valve stem to pass - the length of the valve stem does not allow for a 3/8 actuator fit.