METRIC TOOL SET - 433 Piece 1/4" & 1/2" Dr. Metric Master Tool Set - MS-433TS PEACE OF MIND - Purchase with confidence backed by the Genius Tools Limited Lifetime Warranty against manufacturer defects ANSI STANDARDS - Meets or exceeds the standards established by the American National Standards Institute PROFESSIONAL GRADE - Genius Tools are designed and made for use by professional technicians and built to perform over a lifetime of heavy use. Trust Genius for a quality tool at a value cost to you. ADDITIONAL DETAILS - Please scroll down to see additional information and included pieces in the description area below.