The HT-400D sets the standard in the manual heat press industry because of its ruggedness, durability, and years of trouble free performance. Over 100,000 units in this series of machines have been sold throughout the world, more than any other. The HT-400D has 15"x15" heat platen that can apply all types of transfers on items up to 1" thick. The floating lower platen helps provide even pressure on thicker items and the new handle design provides 20‰ more pressure over the straight handle design.