1. Stable Connection: Our extension rod can be applied to all 1/4" driver bits, and features magnetic lock design to prevent driver bits from moving anywhere. Ergonomic black outer sleeve can be rotated freely for maximum stability.
2.Quick Release: Quick release system makes it easy and fast to install, lock and unlock the batch head. If you want to discharge the drill bit, push down the sleeve to replace it.
3. Wide Compatibility: This 1/4" hex shank rod is compatible with electric drills, drivers and other hand tools.
4.300MM, 150MM: 300mm rod and 150mm rod allow drivers to reach hard to reach areas and increase working distance.
5.Exquisite Workmanship: The rods and bits are well made with smooth and beautiful appearance. Standard size fits your device well. Alloy, Alloy Steel
Hex Socket Diameter: 1/4in (6.35mm)
1/4in Hex Shank Opposition: Approx. 6.35mm / 0.25in
Extension rod 300mm: approx. 310 x 15 x 15mm / 12.2 x 0.59 x 0.59in
Extension rod 150mm: approx. 160 x 15 x 15mm / 6.3 x 0.59 x 0.59in
PH2 bit: approx. 25 x 6.35 x 6.35mm / 0.9