Feature: 1. RUBY BALL TIP: Features a ruby ball tip, which has a long service life and will not wear the of the grinding material.2. STANDARD SIZE: The has M4 thread, the contact ball diameter is 6mm, and the length is 110mm, convenient and practical. 3. MATERIAL: The stem is made of ceramic material with good rigidity, and the stainless steel connector is hard and rustproof. 4. GOOD PROTECTION: The ceramic stem style also provides additional crash protection for the probe, greatly extending the life of the . 5. EASY : Straight line designed for inspection of simple features with direct, unobstructed access to the measurement . Specification: Item Type: Probe Package List: 1 x Probe1 x Storage Box |