Kirkbourne are pleased to show you our new Ultimate Biothane  slip lead with a swivle to prevent any twists , a thimble to enabel smooth flow of lead,  with a rubber stopper that is firm so it will not slip. 
Currently 6mm 
Circa 1.2mtrs long
This a training aid and not a trainer, please ensure the correct size and strength is purchased, if you are not sure please ask.