MS170 Mastik Clear Gap Sealer can be used on the profiles directly ... cracks, even for the crack of 2.5mm MS170 Mastik Clear Gap Sealer 1.Usage: It can be used on ... for the crack of 2.5mm, very convenient. 2. Color: Clear.3. Package: 200g/pc, 30pcs/ctn.4. Store: The sealed ... lock, door locks, window bolt, door bolts, PU Foam, glass glue, cleaner, Aluminum rail, brush seal, gasket seal, fasten bolts, ...