Well proportioned, hardened and tempered with knurled finger grip.

Set of all sizes: (1.5mm (1/16 Inch), 2.5mm (3/32 Inch), 3mm (1/8 Inch), 4mm (5/32 Inch), 5mm (3/16 Inch), 5.5mm (7/32 Inch), 6mm (1/4 Inch), 8mm (5/16 Inch)).

Length: 100mm (4 Inch)