[3mm]
[4mm]
[5mm]
[6mm]
[4mm (with T Hammer)]
Prong Pitch Size: Approx 4 mm / 0.16 inch.
Material: Carbon Steel.
Package Includes: 1 Prong+2 Prong+4 Prong+6 Prong.
Easy to Use: The sharp prong is convenient to punch effortlessly and quickly.