Metal compass with pencil,Easy grip top control,Adjusts to draw circles up to 12" diameter,Draws arc with ease,Adjustable attachment works with pencils, pens, crayons and skinny markers,Metal compass with pencil,Easy grip top control,Adjusts to draw circles up to 12" diameter,Draws arc with ease,Adjustable attachment works with pencils, pens, crayons and skinny markers,