기능

• Color-coded according to size.
• Knurled processing convenient for manual tightening
• For 1/4 "insert deep sockets, hex bolts and sockets with ball intercept rings.
• Can be used by hand and power tools for work in low positions where it is difficult to reach, and for work with protruding bolt shafts.
• Can be picked up easily even with hands dirty with oil.
• The hexagonal shape allows for greater force transmission and less stress on the bolt or recess than the double-hex shape.