| http://www.w3.org/ns/prov#value | - (a) a shaft having a longitudinal axis, a predetermined diameter, a spline end and a base portion end; (b) a spline attached to said shaft at or adjacent said spline end; (c) a mounting base attached to said base portion end, said mounting base having a lateral dimension significantly greater than the shaft diameter; said base including at least one member which is magnetized; and a gripping porti
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