The item for sale is a set of

Weights & Adapters for Deadweight Tester

This set includes all of the weights pictured - four 1000 PSI, one 500 PSI, one 200 PSI, two 100 PSI, one 50 PSI, two 20 PSI, and one 10 PSI, all in solid wooden box. Total weight is about 76 lbs.