Bussmann Mfg. Division/ McGraw-Edison Co. St. Louis, MO. This is a Buss One-Time Fuse NON150 Amp 250V or less fuse. The unit is 7" long including the copper strips by 1-1/2" in diameter. The copper strips are 1-3/8" long by 1-1/8" wide by 3/16" thick. It weighs 3/4lb. We have found these selling for $41 and more elsewhere. You can get them from us at a fraction of the price! Still in original box.