• Forespar 251 Series, Marelon Full Threaded/Mushroom Head Thru-Hull Connectors are precision molded in high strength Marelon.
• Their great strength, light weight and complete freedom from corrosion and electrolysis make them the ideal Thru-Hull Connectors for use above or below the waterline
• All Thru-Hull Connectors must be installed with proper bedding compound
• Maximum torque setting of 20 lb/ft. for Series 250, Series 251 Thru-Hull Connectors