Interfit Softbox & Mask Set INT426. The NEW Stellar Softbox & Mask Set enables the creative photographer simple solutions to your lighting skill sets. This versatile Softbox has a " Velcro" front welt to enable any of the supplied masks to be fitted in seconds. The Grid mask is used to produce a confined yet high quality light suitable for use in Low key Lighting & product photography. the Round & Strip Masks produce clean specular highlight on a subject whilst still providing high quality lighting. Dimensions: 60x 80 cm. (24x 3112;"). Supplied with: 4 x Rods. Grid Mask. Strip Mask. Circle Mask. Stellar Flash Speed Ring Adapter.