Chaves de caixa, em milÍmetros.. Encabadouro : 3/4" DIN 3121-H 20, ISO 1174.. Acabamento : Forjado e fosfatado.. Material : VANADIUM-EXTRA.. Norma DIN 3129, ISO 2725. Drive: 3/4" DIN 3121-H 20, ISO 1174 Finish: Black finish Material: High performance alloy steel To be used with machines For maximum safety, use clamping springs