Bilt Hamber Dynax S50 Cavity WaxDYNAX S 50 Cavity wax with hard to reach applicator Dynax waxes are formulated with high performance anti corrosive properties for protection against corrosion. Dynax S 50 is designed for internal use, with a long 62cm (2ft) thin spout. Dynax S 50 comes in a large 750ml aerosol can. A great Cavity Wax with a long thin 360 degree application Ideal for all those difficult to get to places Spray areas you cant paint. Great for use in box sections. Leaves