Favourably reviewed by Strings magazine, August 2014 edition:

• “The new CACL-K4 from Eastman Strings packs a choice of important, quality-of-life improving features into a carbon-fiber case that does not go overboard on the lightness-reducing extras.”
• “Throughout, the Eastman case impressed our tester with its rugged, German-made, smoke-chrome-finished hardware and a sturdy leather handle that felt built to last. The eight draw latches are simple and rugged …”
• “The Eastman shell pieces fit tightly together, thanks to the watertight seal, and it was stable when left open during practice sessions …
• The Eastman bow holders have quality spinners for the frog end and little pockets on the tip end …”
• “The Eastman CACL-K4 case places a premium on lightness for easy portability and offers quality materials for such essentials as hardware and secure fitting padding.”
• Average Weight – 3 Kg/7 lbs.