Illustration of 86 key partitions: Height of R1: apply to the primary key area ZXCVBNM or keypad 123area and the WASD direction keys Height of R2: apply to the primary key area ASDFGHJKL; keypad 456 Height of R3: apply to the primary key area QWERTYUIOP ; keypad 789 and Delete key, End key, Page down key Height of R4: apply to ESC keyboard F area (F1-F12); Locking area (Print Scroll Pause); Number area (above the letters area) and keypad area Num Lock/ Big rows: suit for TAB, Shift, Ctrl, Alt, WIN, Backspace, Enter, Case, Blank Generic Brand: R1, R2, R3, R4 can be used in all mechanical keyboard Big rows are suit for the whole series of FILCO, NOPPOO 104, 7G 6GV2, PLU-87, Installation instructions: There has many elements can change the tightness of the axis body of mechanical keyboard. Some brand¡¯s mechanical keycap itself is tight, so they will clip tighter the axis body, and feel loose when add the other caps. Frequency plug the keycap will also impact on the axis body. While the metal mechanical keycap is adopting the unique design of open type, it can be adjust the tightness. 1. The way to solve the loosing keycap: the first way is glue a layer of transparent adhesive on the axis body or it can also put a thin napkin.; the second way is use a needle nose pliers gently clip the cross heart and suggest slowly clip, try patiently. 2. The way to solve the tightly keycap: use a slotted screwdriver to gently clip the cross heart and suggest trying it patiently. Package Included: 1 set of the key caps
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