The Kastaplast Impa in K1-Line, available as a First Run, is a versatile and highly understable distance driver. Its reliable understability makes it suitable for different situations and throwing styles.
Players with high throwing speed can use the Impa for big sky rollers. At the same time, players with lower throwing speed can enjoy good distance and plenty of glide.

"Kastaplast is a disc manufacturer founded in 2013, based in Stockholm, with the goal of producing discs and accessories of the highest quality. Their first disc was the RASK, notable for its unusual shape and second wing. Unfortunately, this disc was so difficult to throw that it attracted only a few followers. The second attempt at producing a disc was a complete success. The Kaxe is a midrange disc that borders on being a fairway driver. Combined with the K1 plastic, it is an outstanding disc. The most successful disc from Kastaplast to date, however, is the Reko putter, which pretty much gets everything right. In early 2022, Latitude 64° became a co-owner of Kastaplast. The production is set to be moved to Skellefteå in 2023."
Kastaplast AB
Liljeholmsvägen 16B
117 61 Stockholm
Sweden
hello@kastaplast.se
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House of Discs AB
Box 626
931 26 Skellefteå
Schweden
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K1 Line is Kastaplast’s super durable material with a nice combination of firmness and gumminess. Discs in K1 Line will appear in both solid and translucent colors.
Durability (The higher the value, the less damage plastic takes.)
Grip (The higher the value, the better the grip of the plastic.)
Stiffness (The higher the value, the stiffer the plastic is.)
"First Run" is a term used in the disc golf scene to refer to the first batch of discs of a particular model produced by a manufacturer. These discs often have a special stamp or marking to distinguish them from later productions.
Because these discs are often produced in limited quantities, they are highly sought after by collectors. Sometimes they also have special features or flight characteristics compared to later productions of the same model.
For many disc golfers, it is a special event to acquire or own a "First Run" disc, as it is a symbol of the model's freshness and newness.