foldable caster particularly suited for use with a swimming pool reel support is foldable approximately 270 u00b0 between an operative position and a stowed position and is magnetically or otherwise secured in at least the storage position application_number US 94902792 A description fig1 shows a housing structure in the form of one leg 10 of a swimming pool cover support which is typically made of molded plastic the support structure is seen to have a peripheral housing wall 14 and a back wall 18 which together provide a storage housing 19 for the foldable caster 30 to be described below the plastic housing 19 has a pair of opposed slots 20 22 which slidably receive a caster base plate 32 which is made of magnetic material or metal having a magnetic insert 34 therein the caster base plate 32 is connected by a horizontally extending hinge 35 to a caster support plate 36 whereby the caster support plate 36 is free to move relative to the base plate 32 about the axis of the hinge 34 a caster swivel 40 comprised of a generally circular piece of cut sheet metal is attached to the caster support plate 36 by a fastener 42 which permits rotary movement of the caster swivel.