The Lastolite LL LR3596 light diffusing unit can be used to improve the usability of the TriGrip reflector in 8 different ways for a wide range of lighting options.This 18-inch triflip kit is an user-friendly kit, with simple installation procedures like insertion of the Trigrip diffuser into the TriGrip sleeve for immediate accessThis lighting equipment includes a 2 stop Trigrip diffuser (30") and two dual-sided reversible Triflip coversThis 2 stop tri grip diffuser is a smart tool for shoots that require a wide range of lighting options