A one-piece constructed adapter collet tool, for adapting a smaller standard collet to a standard oversized spindle on a machine tool. The check valve assembly includes a check valve for installation on the exterior of a hot zone wall in a vacuum heat treating furnace. A disk drive access key is obtained from an access key server, the access key being generated by the access key server as a function of an identifying characteristic of the disk drive. A system monitors user activity and from that activity automatically selects X-Y values for auto-calibration. Also, as this film exhibits excellent shrinkage property in low temperature, film rigidity, shrink finishing quality, and small natural shrinkage ratio, the film is suitably used for a molded product which requires heat shrinkage property, specifically, it is suitably used for shrinkable label.