From the Dragon Press Release:
1/72 Tiger 1 (Mid Production) w/Zimmerit

This model kit features our revolutionary Zimmerit coating. The texture is so realistic, that Dragon has actually patented the technique! Other features include photo-etched parts and many new parts.

Main Features:
- NEW lower hull with authentic zimmerit coating
- NEW one piece sprocket wheel is convenient to assemble
- NEW one piece idler wheel
- Road wheels injected as a unit - convenient to assemble and saves time
- Turret and upper hull with realistic zimmerit coating
- One piece slide-molded barrel
- BONUS metal exhaust covers
- Metal cable included
- Photo-etched parts for upgrade details
- Dragon Styrene track links
- Cartograf decal with various markings