• It's an excellent Dial Indicator Holder.
• Can hold approximately 3 lbs.
• All metal parts used.
• Precision angled bearings interface and lock the ball precisely with a small turn of the locking knob. Excellent rigidity factor.
• Self-compensating - no need to disassemble to re-establish tension (as with other designs).
• Right angle notch (for 90° positioning) can be swung to any point 360° and then locked.

Model No. 18001, Float N Lock Basic Unit - Bottom Hole - for mounting is 3/8-16.NC-Class 2B