View basket “Circular Box, Through 2 Way” has been added to your basket.Extension Ring, Conduit Part Number: DT31020Z Category: 20mm ONLY £ 3.81 4.57 Excl.VATIncl.VAT - Extension Ring, Conduit quantity + Add to basket Branch Stock Data Sheets Rapid Electrical SloughRapid Electrical Watford0Technical Data SheetCatalogue PageRelated productsBox, Through 2 Way, Extension £ 17.28 20.74 Add to basketSaddle, Distance £ 1.41 1.69 Add to basketCircular Box, Through 2 Way £ 4.44 5.33 Add to basketLocknut, Light Gauge £ 0.18 0.22 Add to basket