Scaffolding-Oyster Coupler-Pressed Steel Oyster Couplers connect putlogs or transom tubes to ledger tubes for the support of scaffold boards. It should not be used as a load bearing coupler. Item: Scaffolding-Oyster Coupler-Pressed Steel - £1.51 ex. VAT Quantity: £1.51 ex. VAT Add to Basket Trade prices available on request subject to volume, call 0844 4171864