• CR-MO alloy steel for long life
• Heavy duty blow molded storage case
• Set includes: 10mm (310UM),11mm (311UM),12mm (312UM),13mm (313UM),14mm (314UM),15mm (315UM),16mm (316UM),17mm (317UM),18mm (318UM),19mm (319UM)
• W/ Included 6 N 1 INTERCHANGEABLE SCREWDRIVER