Key Features Open & bi-hexagonal ends with 15° offset for greater access Hardened & tempered, drop-forged chrome vanadium High quality fully polished finish Ultra-strong ballistic nylon storage roll Includes sizes 1/4″ – 1-1/4″ Silverline Combination Spanner Wrench 14 Piece Set. Open and bi-hexagonal ends with 15° offset for greater access. Hardened and tempered, drop-forged chrome vanadium. High quality fully polished finish. Ultra-strong ballistic nylon storage roll. Includes sizes:1/4″ (6.35 mm)5/16″ (7.9 mm)3/8″ (9.5 mm)7/16″ (11.11 mm)1/2″ (12 mm)9/16″ (14.2 mm)5/8″ (15.8 mm)11/16″ (17.4 mm)3/4″ (19.05 mm)13/16″ (20.6 mm)7/8″ (22.22 mm)15/16″ (23.8 mm)1″ (25 mm)1-1/4″ (31 mm)