To provide a metal fitting and a coffin for producing the atmosphere / appearance of a coffin at a low cost which makes it possible for a deceased person or the like to be familiar.SOLUTION: The coffin is provided with a coffin main body, a first lid 2a, a second lid 2b, and a metal fitting 3. The coffin is provided with a total of four metal fittings 3, two of which are used for holding the first cover 2a and the other two for holding the second cover 2b. The metal fitting 3 has a first concave portion 3 a fitted to the upper end portion of the side wall 1 c of the coffin main body and a second concave portion 3 b which accommodates the side end portions of the lids 2 a, 2 b in a state where the side surfaces of the lids 2 a, And a concave portion 3 b, and the first concave portion 3 a and the second concave portion 3 b are connected to each other.(FIG.【課題】故人等を身近に感じることができる棺の雰囲気・外観を低コストでつくり出す金具および棺を提供する。【解決手段】棺は、棺本体、第1蓋2a、第2蓋2b、および金具3を備えている。また、棺は、合計4個の金具3を備えており、そのうち2個が第1蓋2aの保持に、他の2個が第2蓋2bの保持に、それぞれ用いられる。金具3は、棺本体の側壁1cの上端部に嵌合する第1凹部3aと、蓋2a、2bの側面を下側にした状態の当該蓋2a、2bの側端部が収納される第2凹部3bと、を備え、第1凹部3aと第2凹部3bとが連接している。【選択図】図4