HOOK SPANNER WRENCH MANUFACTURED BY WILLIAMS. MADE IN AMERICA, 100 PERCENT. FULLY ADJUSTABLE WITH A RANGE CAPACITY OF 4-1/2" TO 6-1/4" WITH A BLACK OXIDE FINISH. THE HOOK DEPTH IS 1/4" WITH A THICKNESS OF 15/16". THE LENGTH OF THE WRENCH IS 12-1/8" MADE IN USA