In addition to the opening (hexagonal)which comes in contact with bolt/nut, surface contact flat drive that reliably passes high torque without damaging corners is being employed to the square drive unit on the insertion side.
With magnet.
ข้อมูลสินค้า
Opposite Side Dimension (mm) : 17
Input Drive (mm) : 12.7
Total Length (mm) : 38
Compatible C-ring : PK1401C (across-flat 10 to 14mm), PK1402C (across-flat 17 to 21mm)