Lampholder torsion device
I. Introduction
Lampholder torsion device according to relevant provisions of UL496 standard design and manufacturing, mainly for screw lampholders prevent accidental power torque test .

Second, the technical parameters

Clamping range 4-100mm round lamp socket
The maximum length of the sample length 150mm
Round Fixture manual self-tight manner, shaped jig need modification .
101.6mm 4英寸Wheel diameter
Weight weight 10 lbs