The Ultimate Cryptex Puzzle Box

Keep your special items safe with the Ultimate Cryptex Puzzle Box!! This puzzle box is based off the cryptex style lock commonly used in bike locks. The box has 4 cryptex's in total each unlockable by a 4 letter code. After each cryptex is cracked the box will open.  The individual dials come in sets each set pertains to each corner. Any set of the four dials can be arranged to your desire. Having a hard time solving ? The solved codes should be aligned at a 45 degree angle facing outwards.