Midwest Conical Anchor, Light Duty, NO 10-12 Thread, 1 in Anchor, Plastic, For Hollow or Solid Wall Applications, Fasten Light or Medium Weight Fixtures such as Mirrors, Pictures and Drapes. Midwest Conical Anchor, Light Duty, NO 10-12 Thread, 1 in Anchor, Plastic, For Hollow or Solid Wall Applications, Fasten Light or Medium Weight Fixtures such as Mirrors, Pictures and Drapes.