10-PC. Bit SetPolypropylene storage caseEasy to open or close storage caseEasy choice: bits can be viewed without opening the boxBox has high stock and chemical resistanceEfficient pushing system on the back of the boxContains: Slotted 3/16", 7/32", 1/4" and 5/16"; PH1, PH2, PH3, PZ1, PZ3 and 1/4" hex bit holder