Expo Tools 44503 Precision Masking Tape 3mm x 18 Metres Pack Of 2 Rolls. This precision masking tape from Modelcraft is ideal for use with a wide range of modelling and craft applications including painting and airbrushing. It is also suitable for a variety of DIY tasks. Precise & Intricate Masking. No Paint Bleed Or Annoying Paint Lines. U.V. Protected For Masking In Direct Sunlight. For Best Results Store In The Re-Sealable Bag Provided.