Specification:The pen heat press attachment is just suitable for our blue combo heat press machine,other machines cannot use.It's the pen heat press attachment only,not include sublimation balnks pens and heat press machine base. Easy to Install:It's easy to install the pen press heater on our combo heat press machine,then it can be as a pen heat press machine. Easy to Use:The pen heater is suitable for sublimation blanks pens printing.It can leave your hands free,just press down the handle,it'll start printing.It can press 10 pens together,nice for small batch bulk prinitng order. Sublimation Printing Parameters:Aluminum Sublimation Blanks Pen:428 F,420 S. Warranty:The warranty for our pen press element is 1 year from the date of purchase.If have any problems during using the tumbler press,just feel free contact us,we'll help solve it within 24 hours.