K1 Järn
$18.99
Kastaplast’s first Overstable Approach disc.
| Speed 4.5 | Glide 3 | Turn 0 | Fade 3 |
| Very Overstable | |||
| Image | Color | Size | Stock | Price | Buy |
|---|---|---|---|---|---|
| #42 White | 176 | 1 in stock | $18.99 | ||
| #49 Blue | 177 | 1 in stock | $18.99 | ||
| #50 Blue | 177 | 1 in stock | $18.99 | ||
| #51 Blue | 178 | 1 in stock | $18.99 | ||
| #52 Blue | 178 | 1 in stock | $18.99 | ||
| #55 Blue | 177 | 1 in stock | $18.99 | ||
| #56 Blue | 177 | 1 in stock | $18.99 | ||
| #57 Blue | 177 | 1 in stock | $18.99 | ||
| #03 NYellow | 176 | 1 in stock | $18.99 | ||
| #530 White | 176 | 1 in stock | $18.99 | ||
| #535 NYellow | 173 | 1 in stock | $18.99 | ||
| #240 Orange | 178 | 1 in stock | $18.99 | ||
| #412 Orange | 173 | 1 in stock | $18.99 | ||
| #413 White | 176 | 1 in stock | $18.99 |
The Kastaplast K1 Järn is an overstable approach disc designed for intermediate and advanced disc golfers seeking precision and reliability. With flight numbers of Speed: 4.5, Glide: 3, Turn: 0, and Fade: 3, it offers a consistent flight path ideal for touchy flex shots and flat-out hyzers. Its low-profile design ensures a comfortable grip and smooth release, enhancing control during throws. Crafted from Kastaplast’s durable K1 plastic, the Järn provides a grippy yet stiff feel, maintaining its stability over time. Players have praised its performance, noting its suitability for both forehand and backhand approaches, especially in headwind conditions. Comparable to the Discraft Zone, the Järn offers a slightly more glide and adjustable overstability, making it a versatile addition to any disc golf bag.
______________________________________________________________________________________________________________________________________________________________________________________________
Kastaplast’s first Overstable Approach disc
Jarn is Swedish for Iron
Disc details
Jarn by Kastaplast
Flight path
Open in FlightGuide ↗PDGA specifications

- Diameter
- 21.3 cm
- Height
- 1.8 cm
- Rim depth
- 1.4 cm
- Rim width
- 1.3 cm
- Max weight
- 176.8 g
- Approved
- Dec 13, 2021
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