Made of flexible spring steel, cold rolled, hardened and tempered. Chamfered ends simplify insertion. Handy kit for shop toolroom or toolbox. On hand when needed saves time and money. Plastic compartment box is easy to store. The Precision Brand 287-piece metric roll pin Assortment contains: 10 each of 1.5 and 2 mm Dia by 6 mm, 10 mm, 12 mm and 20 mm, 8 each of 3 mm Dia by 10 mm, 18 mm, 24 mm, 30 mm and 40 mm, 7 each of 4 mm Dia by 10 mm, 18 mm, 22 mm, 26 mm, 30 mm and 40 mm, 8 each of 5 mm Dia by 14 mm, 18 mm, 26 mm, 30 mm, 40 mm and 50 mm, 7 each of 6 mm Dia by 20 mm, 24 mm, 30 mm, 40 mm and 50 mm: 5 each of 8 mm Dia by 20 mm, 30 mm, 40 mm, 50 mm and 65 mm, 5 each of 10 mm Dia by 40 mm and 3 each of 10 mm Dia by 45 mm, 50 mm, 65 mm and 80 mm.