• Measure in hard to access spaces with this unique and versatile accessory kit.
• Ideal for measuring slotted, stepped or grooved surfaces with four different point configurations.
• Can be used with any 6", 8" or 12" callipers with a jaw thickness of up to 4mm.
• Set includes one pair of flat, domed & pin extensions (6 extensions total).

SPECIFICATIONS
Max Jaw thickness: 4mm
Probe length: 20mm