1. Brand new and high quality
2. Bear the oil
3. Watertightness and defend the ultraviolet ray
4. Bear the corrosion
5. Easy to install and use

Contain:
1/8*1/4 20pcs
5/32*9/32 20pcs
3/16*5/16 20pcs
7/32*11/32 20pcs
1/4*3/8 20pcs
5/16*7/16 20pcs
3/8*1/2 15pcs
1/2*5/8 15pcs
5/8*3/4 15pcs
3/8*9/16 15pcs
7/16*5/8 15pcs
1/2*11/16 15pcs
9/16*3/4 10pcs
5/8*13/16 10pcs
11/16*7/8 10pcs
3/1*15/16 10pcs
3/4*1 10pcs
13/16*17/16 10pcs