The  VPS-741JA is a parts kit that allows you to assemble your own goggles using different nosepieces and strap adjusters. It comes with 4 different sized nosepieces, side clips,  and a silicone strap. The VPS-741JA is a kit designed for the VC-750A corrective lenses (2 lenses required). The kit can be easily adjusted with interchangeable side clips that are quick and easily released.