3M Hand Masker M3000 Dispenser Kits are an easy way to get started with 3M Hand Masker Masking Systems. Includes a 3M Hand Masker M3000K Dispenser, a multipupose hook and a 12″ blade. Use to mask everything from electrical fixtures to entire walls. Applies pre folded masking film, plastic or masking paper simultaneously with ScotchBlue Painter’s Tape.