DCCconcepts Gauges Home / Specialised Model Accessories / Stock Clearance / Back to Back – Sn3 or HOn-35 (Standard) 12.4mm Sale!Back to Back – Sn3 or HOn-35 (Standard) 12.4mmPrice: £8.29 £4.15Tax FreeBrass Back-to-back gauge for SN30 or HOn3.5 or Narrow gauge (14mm track) (3’0″ gauge S Scale or 3’6″ gauge, HO Scale. set to NMRA standards)In stock QTY Back to Back - Sn3 or HOn-35 (Standard) 12.4mm quantity Add to basket SKU: DCG-BBSN Categories: DCCconcepts Gauges, Stock ClearanceRelated products Back to Back P4 Scale 17.75mm Sale! Price: £8.29 £4.15Tax Free In stock QTY Back to Back P4 Scale 17.75mm quantity Add to basketPart:DCG-BBP4 Back to Back OO/HO (Fine) 14.75mm Price: £8.29Tax Free In stock QTY Back to Back OO/HO (Fine) 14.75mm quantity Add to basketPart:DCG-BB1475 Weight Mate DCC install aid (Adds weight while testing) Sale! Price: £10.79 £6.63Tax Free In stock QTY Weight Mate DCC install aid (Adds weight while testing) quantity Add to basketPart:DCT-WMT Roller Gauge (w/handle) OO/HO (Standard) 16.5mm FB (2 Pack) Price: £16.63Tax Free In stock QTY Roller Gauge (w/handle) OO/HO (Standard) 16.5mm FB (2 Pack) quantity Add to basketPart:DCG-RGFB100