Chair 5055:
Overall Dimensions: 26.4''L*29.5''W*47''-50.3''H
The Width Between the Two Armrests: 29.5''
Pedal Dimensions:13.4''L*7.8''W
The Seat Cushion Widt: 22.8''
Maximum Load Capacity: 500LBS
Recling Angle: 90°~115°-135°
Cushion Thickness: 4.5''

Chair 205:
Overall Dimensions: 17.32'' D x 29.5'' W x 47''–50.3'' H
Width Between Armrests: 29.5''
Seat Width: 22.8''
Seat Depth: 17.32''
Backrest Width: 23.2''
Seat Height (Floor to Seat): 25.6''–29''
Max Weight Capacity: 500 lbs

Chair MP-309:
Overall Dimensions: 26.8''L*30.75''W*47''-52.7''H
The Width Between the Two Armrests: 30.7''
Pedal Dimensions:13.4''L*7.8''W
The Seat Cushion Widt: 23.3''
Maximum Load Capacity: 400LBS
Recling Angle: 90°~115°-135°
Cushion Thickness: 5.5''

Chair 310:
Overall Dimensions: 24.4'' D x 31.5'' W x 47.2''–51.2'' H
Width Between Armrests: 31.5''
Seat Width: 23.6''
Seat Depth: 27.5''
Backrest Width: 23.6''
Seat Height (Floor to Seat): 18.9''–22.8''
Max Weight Capacity: 500 lbs

Note: All sizes are taken manually and may vary by 1–3 inches.