LENGTH:32mm/34mm/37mm/40mm/43.5mm/47mm，size:A.different weight when combin with TERO AK4 dart flights,Search CUESOUL AK7 dart flight to combin together,This is AK4 dart shaft only

PERFORMANCE UPDATE:TERO AK4 & AK7 dart stem & flights combo set is new patent innovative system from CUESOUL,more tough material use for enhance the service life of dart flight set,fit for both steel tip dart and soft tip darts.

IMPROVE YOUR DAERTS LEVEL:This inserted AK4+7 dart fight system, rotate/spin without any annoying rattle ,helps a tight grouping for your three darts,also helps your darts fly more stable and true, it is very helpful for improving your level.

TELESCOPIC & DETACHABLE:Well-designed built-in spring AK7 dart stem combine with AK4 dart flight to set up telescopic and rotation combo system, avoid dart flights falling off in game,you could also change the color of stem or flight to set up your favorite combo set.telescopic design offer buffering to well protect the flights from ripped out caused by hitting.

QUALITY ASSURANCE:This is CUESOUL new dart accessories system,multiple adjustments and hundreds of tests,we make all improve by our fast after sale service to you.