This Drain Plug is designed with a molded-in recess in the base, thus trapping the sealant in place and providing a more watertight seal. Replacement drain plug (K520021-1) fits most boats with a threading molded into hull (Dagger, Liquidlogic, etc.). Replacement plug for for base.
Specification:
Plug Width: 1"
Fastener: #10OH
Color: Black
Weight: .03lbs