The heavy-duty Schaefer pad eyes are investment cast from high quality type 316
Stainless Steel for a high degree of accuracy and strength.The first step in
involves making a wax part from a master or permanent die. The wax part is
then used in a temporary or series of temporary
molds.The actual parts are then cast from the temporary molds without any
wear to the permanent die to ensure accurate casting each time. Backing Plates
are from 304 Stainless Steel and are sold separately.