Britool Set of 7 Ratchet Combination Spanners forged in chrome vanadium steel, with a high chrome finish. They feature and open end angled at 15 from handle axis and have a 12-point OGV ring angled at 15. The OGV profile maximises the contact surface with the nut for a longer lifetime. The spanners have a ratchet increment of 5. There is a switch to change ratcheting direction build into the handle to prevent accidental change. Sizes 8, 10, 12, 13, 14, 17 and 19 mm. Supplied with plastic rack. ISO 691 - ISO 1711-1 Weight 0.99kg