HT1103. The HT1103 is a 1/2" Professional Spring Curling Iron with soft grip handle, and multi-heat control. The fast heat-up, pulse technology maintains an even and constant heat across the barrel while you style. It reaches temperatures up to 428 degrees. The design features an extra-long cool-tip at the end of the barrel to allow you to hold it while styling. It is fitted with a heavy-duty, long-life heating element and a powerful spring clamp to secure hair while styling. It also has a built-in safety stand that folds away when in use and a swivel cord for added convenience.