Drop-forged. With close tolerance jaw widths.
HOLEX ? With oval shaft.
Standard:
DIN 837 B / ISO 3318
Material:
HOLEX ? Chrome vanadium steel, chrome-plated.
Content:
1 each double-ended ring spanner No. 617600 / 617950: 6×7; 8×9; 10×11; 12×13; 14×15; 16×17; 18×19; 20×22; 21×24; 27×32; 30×34