These satin chrome plated gauges provide easy and accurate measurements of holes and slots

Features:

• Two plungers under equal and constant spring pressure can be locked between the walls of a slot or across the diameter of a hole
• Final size is determined by measuring across the points of the plungers with a micrometer or caliper
• Plunger tips are hardened and ground radiused ends
• Knurled knob at the top of the handle is used for locking the plungers
• Gauges have a satin chrome finish