Features:

The tool comes with spring loaded head, able to hold the nipple securely. The design also makes it easy to withdraw from the nipple, protecting the nipple from failing off to the rim cavity

Can be attached to a electric screwdriver which greatly increase the efficiency of spoke lacing and wheel building.

With slot to engage nipples with same base design

Made of stainless steel, designed for long term service

Comes with extra 2 spare spring heads