Pro's Torque Wrench is a high-quality precision tool used to install bolts and nuts to a specific torque values. It is adjustable from 3 to 15Nm for all stems, handlebars and seat posts. Key Features: - The extension and attachments are made of chrome vanadium steel - It fits 1¼" sockets - It has attachments for nuts of M3, M4, M5, M6, T25 and T30 size - It is adjustable from 3 - 15 Nm