Technical Hire › GRAVLOCK CLAMP RSJ (STEEL) Image 1 of 1 GRAVLOCK CLAMP RSJ (STEEL) £0.00 Gravlock couplers are used to attach 48mm barrel to a girder / beam at 90 degrees.Suitable for flanges up to 45mm thick. Quantity: Add To Cart Added! Gravlock couplers are used to attach 48mm barrel to a girder / beam at 90 degrees.Suitable for flanges up to 45mm thick. You Might Also Like PROLYTE H30V 10MM SPACER MANFROTTO EXTENSION POLE DOUGHTY 90° COUPLER (STEEL) MANFROTTO 2 RISE WIND UP STEEL STAND CHROME RIGGING STEEL (500KG SWL) - 2M
