BEST BST-138 / 139 / 140 3 in 1 Mobile Phone Disassembly Stainless Steel Clean Kit1. The stainless steel made blade is hard enough to be applied in various repairing works such as removing bubbles, adhesives and sweeping tins during BGA Reballing work even cutting some wires. 2. 3 types of tops are included: the flat is used to loosen or release components inside electronics, for example during the replacement of batteries or touch screens for smartphones; the curved and the pointed are used to create an initial gap and other