Professional grade socket rail with quick and easy identification of sizes.

• Metric and SAE color coded size inserts
• SAE size inserts included: 3/8 In., 7/16 In., 1/2 In., 9/16 In., 5/8 In., 11/16 In., 3/4 In., 13/16 In., 7/8 In., 15/16 In., 1 In., 1-1/16 In., 1-1/8 In., 1-3/16 In., 1-1/4 In.
• Metric size inserts included: 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm, 20 mm, 21 mm, 22 mm, 23 mm, 24 mm
• Includes 3 blank red inserts