The FV Quick Clamp is perfect for use on cement forms, wooden forms, steel forms and core boxes. The FV forces out air pockets improves surface finish and speeds up mold release when used on cement forms. The Navco India LLP FV is a portable clamp-on vibrator that provides convenience in a variety of situations. The FV units feature a rugged, one-piece construction, and are equipped with a built in vise style clamping system. This built in vise eliminates the need for special mounting brackets often required by other portable models.