This seems to be a technical term related to pressure caps. The phrase "Pressure cap strips SKS20-40" does not have a clear mean

Name: This seems to be a technical term related to pressure caps. The phrase "Pressure cap strips SKS20-40" does not have a clear mean
Brand: BESSEY
SKU: P01-SKS20/40
Price: 9.13 EUR
Availability: BackOrder

Reference: P01-SKS20/40

€9.13

Tax included

Price without tax: 7.48€

Laoseis: Laos

Suitable for models: TG20 to TG40 / TGK / GZ20 to GZ60 / GM20Z to ?GM60Z