This product is compatible with 14.4 V impact drivers. [Uses] Tip tool for woodworking and boarding. [Functions / Features] Variable drill tool. Ideal for counterbores and through holes. The hole size can be adjusted with 1 Allen wrench included. [Specifications] Drilling diameter: 1.2 - 1.7 inches (30 - 42 mm). Drilling Depth: 2.4 inches (60 mm). Compatible models: Impact driver, electric drill, charging drill, drill machine. Product Size: Weight: 3.4 oz (95 g); Product Code: 4976226375016; JAN Code: 4976226375016; Brand Name: Kanzawa; Product Name: X. Bit S. Standard: K-375 C-2.