Mushroom head combination slotted and phillips drive toggle bolts are machine screw spring wing type hollow wall anchors designed for use in block, wallboard and other hollow base materials and consist of a two-part assembly consisting of a mushroom head combo slotted-phillips drive machine screw and a spring wing toggle and are available in 1/8, 3/16, and 1/4 diameters in 2", 3" and 4" lengths.