Wrench

<div></div>
<div></div>
<style>
  body {
    background: #6592cf;
    display: grid;
    place-content: center;
    grid-template-columns: auto auto;
  }
  div {
    width: 40px;
    height: 180px;
    border: 30px solid #243d83;
  }
  div:nth-child(1) {
    border-left: 0;
    border-radius: 0 100px 100px 0;
    translate: 15px;
  }
  div:nth-child(2) {
    border-right: 0;
    border-radius: 100px 0px 0px 100px;
    translate: -15px;
  }
</style>