Drain Screw (Magnetic) and Gasket Set

Drain Screw (Magnetic) and Gasket Set. Thread Size: 3/8" or 9.5mm – 16. Note: Not to be used on #1/R lower units. Fits: Mercury/Mariner O/Bs of Japanese origin that use an 8x1.25 metric threaded screw. Fits: Mercruiser I, R, MR, Alpha One, TR, TRS. Meets or exceeds manufacturer's recommended specifications. Backed by Sierra's limited lifetime warranty. Thread Size: 3/8" or 9.5mm - 16 Note: Not to used on #1/R lower units Fits: Mercury/Mariner O/Bs of Japanese origin that use an 8x1.25 metric threaded screw Fits: Mercruiser I, R, MR, Alpha One, TR, TRS Meets or exceeds manufacturer's recommended specifications Backed by Sierra's limited lifetime warranty