Made where? japanese steel doesn't mean japanese made but these are quite expensive - if china it's a shocking price.

These scissors are made from high carbon steel from Japan and manufactured in Taiwan (not China). We have expertise in making a blade - metal infusion for hardness, controlled heating/cooling process, grinding at the right angle, etc. A lot of expertise and technology goes into making our shears which is why they are superior to any competitor. We have tested our shears against competitors and our can product at least twice as many cuts on Kevlar as anyone. The price is really not expensive considering performance. Just yesterday I was talking to a braid company and the owner told me that nothing cuts Kevlar, Vectran and Zylon like our shears (they make parachute suspension lines since 1967). Another sail making loft said nothing cuts Spectra like these shears (they were using 10" ATi-808 which has the same blade technology). Thank you for asking the question and an opportunity to explain.

Does this pair come with a holster?

Yes, it does come with a nylon holster which has a belt loop. Thank you.

Can one sharpen the edges since it has a micro-serrated blade? OR when dull throw out? How long before it becomes dull/hours of use days weeks?

One blade is serrated but the other one is not serrated. The non-serrated edge can be sharpened. You can sharpen the blade twice for same performance; after the third sharpening the performance will still be very good but not 100%. The feedback from multitude customers (and the other two answers to this question) indicate that the pair last for a very long time. We also sell as very good sharpener (ASIN: B00EJ9CQKA) which many of our customers use.

Will this cut 1/2" dyneema? Or do I need a bigger size

Hello Jason: This length of this set of shears is 5.5" (139 mm) and the blade cutting length is 1-5/8" (42 mm). You can certainly cut 1/2" Dyneema but it won't be in one swoop; may be 2-3 swoops. Based on inquiry from a rig shop they use our 8" shears [ASIN: B0184H0DDE] to cut from 3/8" to 3/4" Dyneema, Vectran and Spectra. The 8" probably could go to 1" as well. Anything thicker than that, we have 10" shears [ASIN: B07HP9NRZ6] and 11" shears [ASIN: B07HPCGMCZ]. A local rope manufacturer uses the 10" to cut Technora lines from 1.25" to 1.5" To sum it up if you will cut 1/2" Dyneema occasionally and mostly cut small sizes of Dyneema, you could get by with the 5.5" shears. If your usage is more frequent then 8" would be best. Thank you for the question. You can always write with questions. Glad to help.

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Description

✂️ Cut Above the Rest: Precision Shears for the Fiber Elite

ENDURANCE TESTED - Proven to maintain cutting performance after thousands of cuts on tough materials like Vectran and Dyneema ropes—built to last through your toughest projects.
VERSATILE PRO TOOL - Favored by aviation, marine, fiber optics, and parachute pros for precision trimming, splicing, and fabric prep—your go-to for high-tech material handling.
COMPACT FIELD READY - Lightweight 5.5-inch design with ergonomic TPR handles and included nylon holster for effortless portability and all-day comfort.
CUTTING EDGE PRECISION - Engineered with Japanese high carbon steel infused with Molybdenum and Vanadium for unmatched blade hardness (HRC 60-62) and durability.
SPECIALIZED FIBER MASTERY - Expertly designed to slice through Kevlar, Dyneema, Spectra, and other ultra-high tensile fibers with clean, snag-free cuts every time.

Ascend Tools 5-1/2 inch Carbon Steel Shears are precision-engineered with Japanese high carbon alloy steel hardened to HRC 60-62, featuring a micro-serrated blade for superior grip on high-performance fibers like Kevlar, Dyneema, and Spectra. Compact and lightweight with ergonomic TPR handles and a nylon holster, these shears deliver clean, precise cuts across a range of ultra-strong materials, making them indispensable for professionals in aviation, marine, fiber optics, and parachute manufacturing.

Specifications

Color	Red
Material	High Carbon Japanese Steel (Blades), Cutting Edges Hardened to Rockwell Standard HRC60-62, Thermoplastic Rubber (TPR) (Handles)
Brand	Ascend Tools
Blade Material	Blades hardened to HRC 60-62, High Carbon Alloy Steel, Micro-serrated blade (one edge only) for gripping material
Product Dimensions	5.5"L x 2.75"W
Style	Traditional
Item Weight	0.27 Pounds
Blade Length	1.25 Inches
Blade Edge	One blade serrated; second blade is non-serrated and can be sharpened
Finish Type	Polished
Handle Material	Nylon with 30% fiberglass
Point Style	fine
Hand Orientation	Ambidextrous
Unit Count	1.0 Count
UPC	722589163241
Number of Items	1
Manufacturer	Ascend Tools, Inc.
Part Number	ATi-803
Item Weight	4.3 ounces
Item model number	ATi-803
Is Discontinued By Manufacturer	No
Size	Small
Finish	Polished
Item Package Quantity	1
Number Of Pieces	1
Usage	Specially designed to cut high performance materials such as Kevlar Vectran Dyneema Spectra Technora. Favored by fiber cable techs & rope users.
Included Components	Kevlar/Composite Shears, Nylon holster
Batteries Included?	No
Batteries Required?	No
Warranty Description	Unopened box may be returned up to 15 days at buyers expense. Open box voids warranty.

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