New Metric Woodruff Key. 2.5mm x 3.7mm. Carbon Steel. M2.5x3.7mm.
Woodruff Keys. 2.5mm x 3.7mm. Carbon Steel. Made of carbon steel. 3mm x 5mm. New Imperial Woodruff Key 1/4" x 1". New Imperial Woodruff Key 1/4" x 1.1/8". New Imperial Woodruff Key 1/8" x 5/8".