Disc-holder assembly

A disc holder assembly comprising:

• a disc holder including means for attachment to a rotary tool and a disc member, said disc member including a surface finishing member on a first surface, a first sheet fastener on a second surface opposite to said first surface, and a central opening extending through said first and second surfaces and extending through said surface finishing member and said first sheet fastener, said disc holder having a lower surface which includes a concave portion coaxially within a flat annular surface portion, a mounting projection extending downwards from a center portion of said concave portion having a shaft portion having a shaft portion diameter and a distal head portion having a head portion diameter which is somewhat larger than said shaft diameter, and a second sheet fastener adapted to be detachably secured to said first sheet fastener fixed to said annular surface, said disc member central opening having a diameter which is substantially the same as said shaft portion diameter but which will elastically expand to permit the forced entry of said distal head portion, said central opening having at least one slit which extends from the edge of said opening outwards, said disc member being capable of being mounted with said first and second sheet fasteners detachably secured and said distal portion head protruding through said disc central opening with said disc central opening aligned around said shaft portion of said mounting projection to securely hold said disc member with said surface finishing member deployed in a plane for use, and with the mounting projection distal head extending to a point which is located inwards from said plane, wherein one of said sheet fasteners is a hook fastener sheet and the other of said sheet fasteners is a loop fastener sheet.