Catalog number: SNT-0550 Features: ●Ideal for replacing casters on desks, chairs, carts, etc. ●Ideal for replacing power tools, circular saws, and grinding stones. Applications: ●For tightening hexagonal bolts and nuts. Specifications: ●Set contents (mm): 8 x 9, 10 x 12, 11 x 13, 14 x 17, 19 x 21 ●Set contents (pieces): 5 ●Made in a JIS-certified factory Material/Finish: ●Carbon steel (S53C) ●Surface treatment: Nickel chrome plating Set contents/Accessories: ●Metal clip
