Features: There are two sizes: 1/4inch and 1/2inch on sizes, you can use the suitable size for different needs. 20pcs in a set, which can help you install wood floor more quickly and accurately, improve your work efficiency. The triangular design of the installation tool makes it more stable and does not slide easily. Wide applications: This tool suitable for installition of hard wooden floor, wooden floor, reinrorced composite wood floor and vinly wood planks. ABS material with the characteristics of impact-resistant and long service time, you do not need to change them often.