4mm Bungee Cord. 15mm Hook Aperture- 35mm Hook Length. UV Resistant. 270mm LongDimensions: 270 x 15 x 15mm Weight: 0.1Kg. The 4mm Spannfix is a cost efficient alternative solution for fixing and mounting. Thanks to its even tension- Spannfix is ideal for mounting canvas or banners and can be used time and time again.. pipe and drape system