Product Name: "Tosa Blacksmith Tochikan Φ40 2-Piece Set" Minimum Wedge Length: 70mm + Small Wedge Length: 80mm * For pulling wood, lumber, etc. Overview (Dimensions are approximate): ・Forged iron ring (common) and wedges by Tosa blacksmiths ・Outer diameter of the ring: Φ40mm ・Two types of wedges 1. Minimum wedge length: 70mm 2. Small wedge length: 80mm ・Both wedges have heads of approximately 7 x 10mm (the head is the driving-in part) * Finished with a varnish rust prevention coating * The photos are of a similar model, but the quality and performance are exactly the same, and the size and shape are almost the same as the product. Please understand. * These are valuable forestry tools, forged and hand-hammered by a Tochikan specialist blacksmith in Tosa (Kochi Prefecture), with a black finish. * Besides forestry work, they can also be used as sturdy hanging fixtures for interior decorations, such as hanging picture frames or wall decorations. * Each item is hand-forged and hand-hammered, so the size and shape may vary slightly. * The photos represent the product. The items sent may vary slightly in size and shape, but please understand. * The items are made of forged iron and may have burrs or sharp edges on the corners and surfaces. Please handle with care. * A Tochikan is a tool with a forged iron ring and a wedge-shaped piece, also made of forged iron, that is driven into the head of a piece of wood to pull the wood with a rope. The work or technique is also called "Kimawashi" (wood turning), "Tochikan Hikidashi" (Tochikan pulling out), or "Tochimichi Hikidashi" (Tochimichi pulling out).