Hex Wrench Organizers – Sizes clearly marked alongside storage holes. Patented spring loaded collar holds tools firmly in place. Holder is bright yellow plastic with stainless steel spring for durability. Wrench sets come either short or long arm. Inch sets include 13 wrenches: .050, 1/16″, 5/64″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 3/16″, 7/32″, 1/4″, 5/16″ and 3/8″. Metric sets include: 11 wrenches: 1.5, 2, 2.5, 3, 4, 5, 6, 7, 8, 9 and 10mm. All have flat hex ends.