12ft by 1/2" Retractable Tape Measure, Thumb Lock & Belt Clip, Stud Marks 16" 

Product Details: 

• Notch for measuring on wire or string
• Reinforced end hook for true zero measurement
• Red stud every 16"
• Thumb lock
• 12' by 1/2" wide
• Belt Clip 

 Product Description: 

This 12 ft retractable tape measure has an exclusive blade for controlled measuring. You can use this for construction, carpentry, work, or for your household. It has a sliding thumb lock, red stud marking every 16", a tripe reinforced hook for true zero measurement, and a notch for measuring on wire or string.