JK (Josef Klier)
3CK
One PieceK-Series
Official source link providedPrice basis: RetailerLast checked: Jan 29, 2026
Specifications
Cup Diameter
17.00mm
16.50mm18.50mm
Cup Depth
Medium Deep
Cup Shape
funnel
Bore Size
4.40mm
3.80mm4.80mm
Rim Shape
Round
Other Brand Similar Specs
Spec proximity does not guarantee actual feel or tone. Trying before purchase is recommended.
Breslmair 1D4-SMedium Similarity
Cup Diameter: SameBore: -0.10mmCup shape data unavailable
Specs used: 4 / missing: 1
Breslmair 2D4-SMedium Similarity
Cup Diameter: SameBore: -0.10mmCup shape data unavailable
Specs used: 4 / missing: 1
Breslmair 3D4-SMedium Similarity
Cup Diameter: SameBore: -0.10mmCup shape data unavailable
Specs used: 4 / missing: 1
Schilke 30C2Medium Similarity
Cup Diameter: +0.03mmBore: -0.01mmCup shape data unavailable
Specs used: 4 / missing: 1
Engelbert Schmid 6Medium Similarity
Cup Diameter: SameBore: SameCup Depth: medium deep → deepCup shape data unavailable
Specs used: 4 / missing: 1
Alexander MY13Low Similarity
Cup Diameter: SameBore: +0.40mmCup Depth: medium deep → deepCup shape data unavailable
Specs used: 4 / missing: 1
Alexander 6Low Similarity
Cup Diameter: SameBore: -0.70mmCup Depth: medium deep → deepCup shape data unavailable
Specs used: 4 / missing: 1
Alexander 9FLow Similarity
Cup Diameter: SameBore: -0.70mmCup Depth: medium deep → deepCup shape data unavailable
Specs used: 4 / missing: 1
Engelbert Schmid 5Low Similarity
Cup Diameter: SameBore: -0.40mmCup Depth: medium deep → medium shallowCup shape data unavailable
Specs used: 4 / missing: 1
Other Models by JK (Josef Klier)
Where to Find
This site does not sell mouthpieces. Links are provided for reference only. Please verify prices and availability directly with retailers.