Craftmaster 3.38mm Pricking Iron
3.38mm Pricking Iron. Available in 2, 5, and 10 prongs, or the 3-Piece Set. Overall Width (approx.) : 2 prong - 12mm (close to 1/2"), 5 prong - 21mm (close to 13/16"), 10 prong - 39mm (close to 1-1/2")
Overall Length (approx) : 95mm (close to 3-3/4")
Tooth Width: 3mm at the base tapering to 1.9mm at top
Tooth Thickness: 1.4mm at the base tapering to 0.5mm at the tip
Material: High Strength Steel
Finish: Smooth Brushed Steel
SPI: 7 - SPI refers to completed stitches per inch; for example o-o-o-o-o in a 1" space would be 4 complete stitches.