These arm supports will fit the following walkers:
- Size 2: ERP4182-20 for walkers ERP4184-20, ERP4205-20, ERP4206-20 and ERP4207-20
- Size 3: ERP4182-30 for walkers ERP4184-30, ERP4205-30, ERP4206-30 and ERP4207-30
- Size 4: ERP4182-40 for walkers ERP4184-40, ERP4205-40, ERP4206-40 and ERP4207-40
Sold in pairs