Deception +2: +2 Enhancement bonus to hit and +3 to damage for any hit that would qualify as a sneak attack.
Improved Deception +6: This item makes your weapons hard to focus upon and thus provides a +6 Competence bonus to Bluff checks. In addition, while using this item your weapons have a chance to envelop the target in darkness, making them vulnerable to Sneak Attacks for a short time.
Accuracy +5: +5 Competence bonus to Attack rolls.
Quality Accuracy +1: +1 Quality bonus to Attack rolls.