This small booklet written and compiled by Newton J Hunt is a great way of being able to estimate the amount of time a job will take when working in the field so an accurate quote can be provided to the customer for recommended work. This guide provides time estimates in hours or decimal portions of an hour for most of the repair jobs that you will encounter as a piano technician. The actual time a job takes will vary based on your experience and ability level, but this guide is based on the amount of time it should take an experienced professional technician. The guide also has a checklist for Vertical and Grand Piano Regulation procedures. Book is a compact size which makes it easy to carry with you when in the field or to have in your car when needed. 3-1/2" x 5-1/2".