The Wenzelite Seat for Walkers provides users with a resting option when on the go. The seat automatically triggers the brakes when weight is applied. Safety Roller's brakes are automatically engaged when weight is applied to seat|Seat adjusts in width to accomodate varying widths of Safety Rollers|Seat can be folded when not in use|Use with Drive Model numbers CE 1000 XL, CE 1200 BK and CE 1000 NBL