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HAND STITCHING HOLE MARKER • AUDITED OPERATIONAL SPEC

French Style Diamond Pricking Irons (3.85 mm)

⚡ FIELD SPECIFICATION SUMMARY

Creates precise 45-degree slanted punctures that guide traditional dual-needle Hermès saddle stitching without tearing fibers.

Audited Engineering & Performance Metrics

THICKNESS MM3.85 mm Spacing (Approx 6.6 SPI)
TEMPERHand-Forged French Tool Steel
STITCHING SPISlanted 45-Degree Diamond Slits
THREAD GAUGEFil Au Chinois Lin Câblé No 532
BURNISH AGENTSaddle Stitch Awl Guide
📋Specialist Advisory: Gareth Davies (Master Saddler & Leather Craftsman)

Never pry pricking irons side-to-side to remove from thick leather; pull straight up to avoid snapping outer teeth.

Leather Weight (Oz to mm) & Needle Sizing Chart (.PDF)

Download our verified 1-page workshop card and operational standard sheet in PDF.