Characteristic:
1. Can be automatically adapted to the earring requirement.
2. The lightest weakening of the shaft and the tension concentration in the keyway is small.
3. Set includes 21 types of woodruff key to meet different requirements.
4. Made of fine material with long life and good durability.
5. They are integrated into a box, portable and convenient to access and storage.

Specification:
Item type: Woodruff key

Package list:
10PCS 2x7x2.6 Woodruff Key
10PCS 2x10x3.7 Woodruff Key
10PCS 2.5 x 10 x 3.7 Woodruff Key
10PCS 3x10x3.7 Woodruff Key
10PCS 3x13x5 Woodruff Key
10PCS 3x16x6.5 Woodruff Key
10PCS 3x19x7.5 Woodruff Key
10PCS 4x13x5 Woodruff Key
5PCS 4x16x6.5 Woodruff Key
5PCS 4x19x7.5 Woodruff Key
5PCS 5x16x6.5 Woodruff Key
5PCS 5x19x7.5 Woodruff Key
5PCS 5x22x9 Woodruff Key
5PCS 5x25x10 Woodruff Key
5PCS 6x22x9 Woodruff Key
5PCS 6x25x10 Woodruff Key
3PCS 6x28x11 Woodruff Key
3PCS 8x25x10 Woodruff Key
3PCS 8x28x11 Woodruff Key
3PCS 8x32x13 Woodruff Key
3PCS 10x32x13 Woodruff Key