Pittsburgh Multi-Position Magnetic Base with Fine Adjustment Measuring Tool

Attach this powerful magnetic holder to flat or round surfaces to keep work in perfect alignment. The device reaches as far as 12 in. and includes a magnetic base, upright post swivel, upright post, swivel snug, gauge rod and indicator clamp. Knurled thumb screws provide a positive grip. Clamps to surface with up to 45 lbs. of magnetic pull.