Top quality sturdy drum crafted from heavy gauge stainless steel sheet. The drum and lid are drawn in a press without any joints. Locking is done by turning lid into the grooves. These drums are suitable for sterilization in autoclaves. Seamless Construction made up of SS Required for autoclaves Specifications: 3 seamless drums inspected & packed by professionals. weight of particular drums: 12x15'' - 2656 gms. 11x9'' - 2007 gms. 6x6'' - 775 gms.