PB1/1020 Boston piano bench with adjustable seat (55 PB1/1025 Boston piano bench with adjustable seat (55 PB1/1520 Boston piano bench with adjustable seat (55 PB1/3020 Boston piano bench with adjustable seat (55 PB1/3040 Boston piano bench with adjustable seat (55 PB1/3045 Boston piano bench with adjustable seat (55 PB1/3520 Boston piano bench with adjustable seat (55 PB1/3540 Boston piano bench with adjustable seat (55 PB1/5020 Boston piano bench with adjustable seat (55 PB1/5520 Boston piano bench with adjustable seat (55 PB1/6520 Boston piano bench with adjustable seat (55 PB1/7520 Boston piano bench with adjustable seat (55 PBH/200 Boston piano bench with hydraulic adjustable seat (48x31x49-56cm) PBH/225 Boston piano bench with hydraulic adjustable seat (48x31x49-56cm)