Used with 3/8 - 16 drain and fill hole screw on all MerCruiser stern drives, Mercury and Mariner outboards except the Verado series.

• Used with 3/8 - 16 drain and fill hole screw on all MerCruiser stern drives, Mercury and Mariner outboards except the Verado series.
• Helps prevent gear lube from leaking out and water from seeping in to the gear case causing serious damage.
• 2 PCS Magnetic Screws & 2 PCS seal kit