Save time mounting and unmounting rolls to a unique spindle. Installs with ease. Simply insert paper roll onto spindle and you're ready to print. This 3" spindle adapter kit is compatible with the large format Designjet T1500 Series, as well as the Designjet T920 Series. Accessory Type: Spindle Adapter Kit; Dimensions: 7 4/25" x 4 3/5" x 4 3/5"; For Use With: HP T1500 Designjet Series, T920 Designjet Series; Spindle Diameter: 3".