Adjustable thread restorer to suit Metric and Imperial threads from Ø31.75-127mm(1-1/4"-5") external diameter. Simply attach to undamaged section of thread, then wind back the thread with the knurled adjuster and the chaser will restore the damaged thread section. Built-in storage for six dies. Features: • DIVERSE - Adjustable thread restorer to suit Metric and Imperial threads • SIZE RANGE - From Ø31.75-127mm(1-1/4"-5") external diameter • SIMPLE TO USE - Attach to undamaged section of thread, then wind back the thread with the knurled adjuster and the chaser will restore the damaged thread section • SELF CONTAINED - Integral storage for six dies Specifications: Guarantee:1 Year Model Number: AK315