Estimated lead time: Ships in 7-10 business days The Backstroke Start Wedge is FINA-compliant and can be used during training and competition as a way for swimmers to get an explosive start without slipping. Unlike expensive automatic devices, Backstroke Start Wedge is manual and can be set up multiple ways to fit all standard starting blocks. Swimmers can also easily adjust the wedge to their desired height through five different settings to optimize their backstroke start. AFFORDABLE WAY TO GAIN EXPERIENCE Coaches are finally able to outfit every lane with a backstroke starting device RELIABLE BACKSTROKE START Eliminates slipping during the start to give every swimmer a fair chance FITS ALL STANDARD BLOCKSCompatible with single-post, two-post, four-post and large-base blocks EXPLOSIVE RACE STARTAdds power and agility to swimmer's backstroke start PRACTICE BEFORE COMPETITIONAllows swimmers to learn how to use the device, find their setting and optimize the benefits prior to competition ADJUSTABLE SWIMMER SETTINGSSwimmers can easily customize the wedge height through five different settings MANUAL SYSTEMMuch more affordable and versatile than automatic devices FINA-COMPLIANTFINA FR 2.10-compliant for competition. It's legal. If you have it, you can use it.