Nothing to work loose. Points loosen due to collet wear. No tools necessary to change point. Requires special wrench. Points can be changed in 5 seconds.
Points have to be loosened with a wrench and pliers.
Available in 4 lengths. Do not bend in normal usage. Susceptible to bending Points lock on barrel I.D. does not wear due to hardness of tungsten. Points lock on collet. Point and collet wear constantly and break.