Handmade stainless steel wedges. A 9x20x200mm wedge with an M22 nut welded on. For use in construction and span adjustment. Made of stainless steel, so it's rust-resistant. Hardened for strength. The coating after hardening has been removed. Hole drilling available for an additional 300 yen! 3800 yen per piece. Discounts available for set purchases! Nut size changes are also possible!