Metallics 201-Piece wall anchor kit of size 1/4-Inch has plastic construction. It includes 100 x 1/4-Inch blue plastic anchor, 100 x 10 x 1-Inch with 5/16-Inch hex slotted screw, 1 x 1/4-Inch masonry drill bit. Wall anchor kit is suitable for electrical, plumbing, heating, air conditioning industries and light duty applications.