Measure 1" each. Feature flexible magnet material and red/yellow colors to match counters in the most popular math programs. Set of 200. Magnetic Two-Color Counters, PK200.
.Sheet metal screws make excellent fasteners for attaching metal hardware to wood because the fully threaded shank provides good retention in wood. A sheet metal screw has sharp threads that cut into a material such as sheet metal, plastic, wood, hard rubber, aluminum, and other comparable compositions.