Springfield Kingpin Swivel Seat Mount With Spring ronstan core block series 100 - stand-up swivelling it is the ideal choice

it is the ideal choice for ensuring the safety of your boat

leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners

these hinges are the ideal choice for any marine application

with over 80 years of experience

Springfield Kingpin Swivel Seat Mount With Spring ronstan core block series 100 - stand-up swivelling it is the ideal choiceRugged all steel construction with E coating for marine durability Rotates 360 degrees for versatile seating Compatible with any Springfield KingPin post Easy installation with a 63mm hole and 76mm depth Includes a 31mm seat mounting spring for added convenience Upgrade your marine seating experience with the Springfield Kingpin Swivel Seat Mount With Spring. Built tough for all environments, this mount offers 360 degree rotation and easy