Art No | SRT6D
Digital 6 Tube roller - SRT6D These advanced digital models offer variable speed from 5 to 60rpm and a built-in digital timer which can either set from 1 second to 90 minutes, 1 minute to 9 hours or in minutes only mode up to 9999 minutes for maximum versatility.
Art No | SRT9
Analogue 9 Tube roller - SRT9 
Art No | SRT6
Analogue 6 Tube roller - SRT6