ENAMEL COATED STEEL CYLINDER; HAVING BALL STUD WITH 5/16-18 THREAD SIZE; ROD DIAMETER OF 0.390 INCHES; CYLINDER DIAMETER OF 0.870 INCHES; STROKE LENGTH OF 12.800 INCHES; NON-LOCKING FEATURE; 10 MM BALL SIZE; STHREADED STUD EXTENDS 1.000 INCHES FROM CENTER OF BALL SOCKET; FOR USE AT TEMPERATURES FROM -30 TO + 180 DEGREES F.