Feature:1. 1. The utility of this tool is very powerful, compared with the head tools listed above, it is more practical, supports more extensively, and is more intimate.2. 2. Fully consider the factors such as computer type, hard disk type, number of magnetic heads, number of magnetic heads, docking area (landing inside landing) and other personalized design, unique fixing holes, pins, sockets and other personalized design can not only completely fix the head, but also help guide the head safely and easily into and out of the disk area or park the frame, maximizing the safe operation of the "head" and strengthening the seismic resistance.3. 3. Has good operation "synchronization" and "consistency" of physical head separation.4. 4. This head comb is suitable for: "external" 2.5-inch, four-disk hard drive.5. 5. Includes 1pc head comb, 2pcs pins, 10pcs finger sleeves.6. Specification:Size: 3.9*2.2*1.2cmThe main purpose: Replace the exchange repair head, support hard drives such as for Seagate hard drives and Western Digital for easy use.Supports HDD list:for 2.5-inch hard disk-four disk seven-eight headfor Seagate ST1000LM010-four-disc eight-headfor Western Digital- WD20NMVW-11W68S0 2.0TB-four disks and eight headsPackage included:head comb*1, pin*2, finger sleeves*10Package List: