Reversible ratchet non sparking ReferenceAlloySquare (C)Length (L)Thickness (H)Diameter (Ø)077903 BeCu 160 mmReversible ratchet Beryllium copper 160 mm 3/4 inch 160 mm 55 mm 21 mm 082303 AlBr 160 mmReversible ratchet Aluminium bronze 160 mm 3/4 inch 160 mm 55 mm 21 mm 077905 BeCu 180 mmReversible ratchet Beryllium copper 180 mm 1 inch 180 mm 60 mm 21 mm 082305 AlBr 180 mmReversible ratchet Aluminium bronze 180 mm 1 inch 180 mm 60 mm 21 mm