Perma Sharp Silk, USP 4/0 metric 1.5, C-17, 12 pieces

Perma-Sharp back stitch needles
Three cutting edges allow excellent tissue penetration. Recommended for most tissues in the oral area. PGA threads (absorbable). Silk, polyester + polypropylene (non-absorbable).

Needle cutting:
C-22, 3/8 circle, 16.2 mm
C-17, 3/8 circle, 12.0 mm
C-6, 3/8 circle, 18.7 mm
C-43, 1/2 circle, 16.2 mm
C-19, 1/2 circle, 18.3 mm
C-9, 1/2 circle, 23.0 mm