Heavy card stock lasts an entire month (up to 31 days per truck) and keeps a record of the condition and repair history. This is clear proof that your operators are keeping you in compliance with OSHA! What's more, the Questions when answered, give you the most thorough record of maintenance. This helps ensure that your operators are using trucks that are safe to operate. Each Exam can be used by two different operators or two shifts each day and for up to 31 days. These are 25 2-sided forms per pack