What's the top-selling product within Tension Curtain Rods?

The top-selling product within Tension Curtain Rods is the <a href = "https://www.homedepot.com/p/EXCLUSIVE-HOME-Tension-36-in-63-in-Adjustable-1-in-Single-Curtain-Rod-Kit-in-Brushed-Nickel-with-Finial-RD012917DSEHB1-A560/321648978" class="u__default-link"> EXCLUSIVE HOME Tension 36 in. - 63 in. Adjustable 1 in. Single Curtain Rod Kit in Brushed Nickel with Finial</a>.

What material options are available in Tension Curtain Rods?

<a href = "https://www.homedepot.com/b/Window-Treatments-Curtain-Rods-Tension-Curtain-Rods/Steel/Side/N-5yc1vZaqbvZ1z0v4peZ1z1r5zc" class="u__default-link"> Steel</a> and <a href = "https://www.homedepot.com/b/Window-Treatments-Curtain-Rods-Tension-Curtain-Rods/Iron/Side/N-5yc1vZaqbvZ1z0ugndZ1z1r5zc" class="u__default-link"> Iron</a> are materials options available in Tension Curtain Rods.