May 14, 2026 at 9:00AM ET

K1 Hard Jarn, 2026 Joey Buckets Tour Series

$24.99

Lost in the fairway? Our Flight Guide points the way 🥏🗺️

Joey Buckets’ signature Järn in K1 Hard — Kastaplast’s flat-top overstable approach disc built for headwinds and hard-fading utility shots. Low glide, firm fade, and iron-willed reliability on demand.

The Järn — Swedish for iron — was Kastaplast's first dedicated overstable approach disc, and it lives up to the name. Its flat top and beveled rim produce a flight with virtually no high-speed turn and a hard, predictable fade that fights headwinds and holds hyzer lines without argument. It works equally well for touch flex shots and full-power approaches that need to sit down fast. K1 Hard bri... Read More

SKU: N/A

PDGA Official Specifications

Diameter:21.3 cm

Height:1.8 cm

Rim Depth:1.4 cm

Rim Width:1.3 cm

Max Weight:176.8 g

Date Approved:Dec 13, 2021

Speed 4.5	Glide 3	Turn 0	Fade 3
Very Overstable

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The Järn — Swedish for iron — was Kastaplast’s first dedicated overstable approach disc, and it lives up to the name. Its flat top and beveled rim produce a flight with virtually no high-speed turn and a hard, predictable fade that fights headwinds and holds hyzer lines without argument. It works equally well for touch flex shots and full-power approaches that need to sit down fast. K1 Hard brings Kastaplast’s stiffest premium feel to Joey Buckets’ 2026 Tour Series run.

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Jarn by Kastaplast

PDGA Official Specifications

Diameter: 21.3 cm

Height: 1.8 cm

Rim Depth: 1.4 cm

Rim Width: 1.3 cm

Max Weight: 176.8 g

Date Approved: Dec 13, 2021

Approach Disc

Speed: 4.5 Glide: 3 Turn: 0 Fade: 3 See ALL Jarn Discs

Who is the manufacturer?

The K1 Hard Jarn, 2026 Joey Buckets Tour Series is made by Kastaplast.

What is the disc model?

This is the Jarn. Check it out on our famous Flight Guide! You can also check out more Jarn discs here.

What type of disc is this?

This disc is a Approach Disc.

What is the stability for this disc?

This disc is rated as very-overstable.

What are the flight numbers for this disc?

The flight numbers are 4.5 / 3 / 0 / 3. Flight numbers are displayed as Speed / Glide / Turn / Fade. You can compare this disc on our Flight Guide too.