Features: 1.Support : Fully consider computer type, hard disk type, number of magnetic heads, number of magnetic heads, berthing area and other factors 2.Personalized Design: The unique fixed holes, pins, sockets and other personalized designs not only fully secure the head 3.Good Operation: Good operation "synchronization" and "consistency" of physical head separation 4.Many Functions: Help guide the head safely and easily in and out of the disk area, maximizing the safe operation and earthquake resistance of the "head" at the same time 5.Practical :The utility of this tool is very powerful, more practical, more widely supported, and more thoughtful than the previous head tools listed specification:Item Type: Hard Drive Head Replacement Comb Material: Plastic List of HDDs Supported by the Repair Tool: 401# for HGST--HDP725025GLA380 250G --One Platter & Two Magnetic Heads for WDC --WD3200AAJS-65M0A0 320G --One Platter & Two Magnetic Heads for WDC --WD1600AAJS-00PSA0 160G --One Platter & Two Magnetic Heads Main Purpose: Replace, Exchange and Repair the Magnetic Head, Support for Seagate Hard Disk and WDC Data Hard Disk, and It is Easy to Use PackageList:1 x Hard Drive Head Replacement Comb 2 x Pin 10 xFingertips