All of our JIS couplers are strictly controled with standard quanlity certificate and they are usually exproted to many southeast aisa countries like indornisa.
Here attach some different weight with different material's thickness: 2.75mm(T), 0.63KG; 3.0mm(T),0.65KG; 2.5mm(L), 0.58KG.
Any inspctions are very appreciated at any time before shipping.