The screwdriver heads can be lodged in the tapershank or the spare capsule, and can be took out for use at will.
改锥不用时，可将多个改锥头存放于锥柄内或备用小盒内，用时可随意取出任一改锥头。
2
The clamp has the same advantages of high accuracy, convenient assembly and disassembly and simple structure as the straight shank type and the tapershank type.
这种夹头兼有直柄式与锥柄式所具有的精度高、装拆方便、结构简单等优点。
3
It is composed of a tapershank cap, a hollow tapershank, an awl perch, an awl stem casing, a permanent magnet and screwdriver heads of different format dimensions.