Cox reel ,one pull on the handle and it will spin at least 5 revolutions with ease £300 though,I'm about to get the 12volt electric one which needs a switch fitting etc and wiring to the battery it comes in at just under £1000.How much strain does reeling in hose day in day out,a huge amount IMO.Reeling in 100 mts of hose is harder work than cleaning big work some days especially in summer.If it makes your working life easier it's never expensive long term really is it.