JK (Josef Klier)

2FK

One PieceK-Series
Official source link providedPrice basis: RetailerLast checked: Jan 29, 2026

Specifications

Cup Diameter
17.50mm
16.50mm18.50mm
vs. All Models
55% · Average
Cup Depth
Shallow
Cup Shape
funnel
Bore Size
3.80mm
3.80mm4.80mm
vs. All Models
4% · Small
Rim Shape
Round
Recommended For
All Around
View on official site

Other Brand Similar Specs

Spec proximity does not guarantee actual feel or tone. Trying before purchase is recommended.
Alexander 7Medium Similarity
Cup Diameter: SameBore: -0.10mmCup shape data unavailable
Specs used: 4 / missing: 1
Tilz (Bruno Tilz) E.Schmid 7Medium Similarity
Cup Diameter: SameBore: -0.10mmCup shape data unavailable
Specs used: 4 / missing: 1
Tilz (Bruno Tilz) E.Schmid 75Medium Similarity
Cup Diameter: SameBore: +0.10mmCup shape data unavailable
Specs used: 4 / missing: 1
Tilz (Bruno Tilz) McWilliam 3Medium Similarity
Cup Diameter: SameBore: +0.20mmCup shape data unavailable
Specs used: 4 / missing: 1
Laskey 75JMedium Similarity
Cup Diameter: SameBore: +0.82mmCup shape data unavailable
Specs used: 4 / missing: 1
Tilz (Bruno Tilz) McWilliam 2Low Similarity
Cup Diameter: SameBore: +0.40mmCup Depth: shallow → medium shallowCup shape data unavailable
Specs used: 4 / missing: 1
Alexander 8FLow Similarity
Cup Diameter: SameBore: -0.10mmCup Depth: shallow → mediumCup shape data unavailable
Specs used: 4 / missing: 1
Alexander 8Low Similarity
Cup Diameter: SameBore: -0.10mmCup Depth: shallow → medium deepCup shape data unavailable
Specs used: 4 / missing: 1
Alexander 21Low Similarity
Cup Diameter: SameBore: +0.20mmCup Depth: shallow → mediumCup shape data unavailable
Specs used: 4 / missing: 1
Alexander 8FMLow Similarity
Cup Diameter: SameBore: +0.20mmCup Depth: shallow → mediumCup shape data unavailable
Specs used: 4 / missing: 1

Other Models by JK (Josef Klier)

01AKK-Series18.50mm · Very Deep · 4.80mm01BKK-Series18.50mm · Deep · 4.60mm01CKK-Series18.50mm · Medium Deep · 4.40mm01DKK-Series18.50mm · Medium · 4.20mm01EKK-Series18.50mm · Medium Shallow · 4.00mm

Where to Find

View on Official Sitejk-klier.de
Search on GoogleGoogle Search

This site does not sell mouthpieces. Links are provided for reference only. Please verify prices and availability directly with retailers.