Machine Film is used with powered stretch wrapping equipment. There are several different types of powered stretch wrapping equipment available today. The most common is the rotary spiral pre-stretch machines. The Rotary Spiral Pre-Stretch machine wraps the pallet load in a spiral fashion using film widths of 20” or 30”. Rotary Spiral Pre-Stretch machines are the most popular means of applying stretch film today and are the most widely used type of stretch film equipment.