This is a 24 Piece Wren Set by Wiha Tools. Wiha’s Combination Wrenches feature a 12-point box-end design that applies force to the flat sides of fastener heads, preventing rounding. The open-end is angled 15 degrees for optimal flipping between rotations, while the box-end is offset 15 degrees for better finger clearance and accessibility around obstructions. Made from premium-quality tool steel with a chrome-plated satin finish for corrosion protection, these wrenches have boldly stamped size profiles on the handles for easy identification. Open end angled 15 degrees for quick and easy flipping between rotations. 12 Point Box End is offset 15° for versatile fastener fitment. Wiha premium-quality tool steel for strength and durability. Chrome-plated satin finish for corrosion protection.