6-Piece SAE fine Thread Tap Restorer Set Sizes included: 1/4″-28, 5/16″-24, 3/8″-24, 7/16″-20, 1/2″-20, 9/16″-18, 5/8″-18 – Packed in a reusable clamshell package Dimensions: 4.75″ X 4.625″ X 0 .