View basket “Box, Through 2 Way, Extension” has been added to your basket.Coupler Part Number: DT31120G Category: 20mm ONLY £ 0.63 0.76 Excl.VATIncl.VAT - Coupler quantity + Add to basket Branch Stock Data Sheets Rapid Electrical SloughRapid Electrical Watford498Technical Data SheetCatalogue PageRelated productsCircular Box, Loop-In 2 Hole £ 10.62 12.74 Add to basketCircular Box, Branch 3 Way Y £ 6.63 7.96 Add to basketExtension Ring, Conduit £ 3.81 4.57 Add to basketLocknut, Light Gauge £ 0.18 0.22 Add to basket