Julius Koch - Tiger Thread - Ritza 25 Polyester Thread (Mini & Full Spools) • Rocky Mountain Leather Supply

OVERVIEW

Ritza 25 "Tiger" thread is a waxed polyester thread made by Julius Koch in Germany. The thread is finely braided, flattened and extremely strong. It comes lightly waxed to hold its place and will not gum up your projects like many other waxed threads!

Polyester thread is preferred for sewing almost anything that requires strength and durability. It performs well with all types of leather and sewing projects. It is strong, has excellent sunlight (UV) resistance and will keep your projects lasting for a very long time. Another benefit is the it can be cut and melted back into your stitch hole for a clean finish.

This is one of our favorite threads because of its rich colors, quality of braid and the way it lays down against your leather.

Key Benefits

Exceptional strength: Braided from 100% polyester for excellent tensile strength and long-term durability.
Abrasion resistant: Holds up well against friction, flexing and everyday wear.
Lightly waxed: Glides smoothly through stitching holes while providing enough grip to help lock stitches in place. No additional waxing or preparation is required—simply thread your needles and begin stitching.
Moisture and UV resistant: Polyester performs reliably in demanding environments and retains its strength better than many natural fibers.
Hot melted finishing: The polyester ends can be carefully heat-sealed for a clean, secure finish.
No gummy wax: The controlled wax coating is less gummy and messy than many heavily waxed threads.
Beautiful stitch definition: Its uniform braiding and distinctive flat profile lays neatly against the leather, producing clean and consistent saddle stitching.
Excellent color and size selection: Suitable for everything from refined wallets and watch straps to belts, bags, footwear and rugged outdoor goods.

LENGTHS

25 meters will come on a mini spool (with locking spool)
100 meters will come on a mini spool (with locking spool)
Full spool will come wrapped on a manufacturer cone
- 0.8, 1.0, 1.2mm is 500 meters
- 0.6mm is 1000 meters

Sample Card: Click Here

NEEDLE MATCHING

0.6mm - John James Size 2 or 4
0.8mm - John James Size 2 or 1/0
1.0mm - John James Size 1/0 or 2/0
1.2mm - John James Size 2/0 or 3/0

SHIPPING & RETURNS

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