Metal Stems

10cm Anodised Standard Stem for all Standard Connections 10mm Diameter Fits all standard collars & cone pieces Use with pop in collar & pop in cone| slip in collar &...

8cm Anodised Aluminium Standard Stem for all Standard Connections |10mm diameterColours vary & will be selected at random unless specifiedFits all standard collars & cone piecesUse with pop in collar...

STEM- BONZA ANOD BLACK 13.5cm

BONZA size alloy stem for any replacements that you may need! Unthreaded 11CM Length  

20cm ANOD. BONZA STEM15mm diameterUnthreaded. Comes in various colours. Colour will be selected at random unless otherwise requested. Fits bonza pop in cones. For compatible cone piece| click here

Fits all standard collars & cone pieces.Use with pop in collar & pop in cone slip in collar & slip in cone or screw in collar & screw in cone. ...

17cm Double Bent Alloy Stem for all Standard Connections| 10mm diameterPerfect for a DIY glass bottle bong! Drill a 13mm hole & use standard grommet. Then add standard collar & cone of your choice!

6cm ANODISED BONZA STEM15mm diameterUnthreaded. Comes in various colours. Colour will be selected at random unless otherwise requested. Fits bonza pop in cones. For compatible cone piece| click here 

8cm COLOURED ANODISED STEM DOUBLE THREAD 10mm diameter Anodised Aluminium pipe with both ends threaded. Use to make your own pipe, or as a down stem. Colours vary| selected at...

17cm Alloy Standard Stem for all Standard Connections| 10mm diameterFits all standard collars & cone piecesUse with pop in collar & pop in cone| slip in collar & slip in...

14cm Alloy Standard Stem for all Standard Connections| 10mm diameterFits all standard collars & cone piecesUse with pop in collar & pop in cone| slip in collar & slip in...

12cm Anodised Aluminium Standard Stem for all Standard Connections 10mm diameter Colours vary & will be selected at random Fits all standard collars & cone pieces Use with pop in...

10cm STD. ANOD. COLOURED D/THREADED STEM

15mm diameterUnthreaded. Fits bonza pop in cones.   Comes in various colours. Colour will be selected at random

8cm Alloy Standard Stem for all Standard Connections| 10mm diameterFits all standard collars & cone piecesUse with pop in collar & pop in cone| slip in collar & slip in cone|...

10mm diameter Anodised Aluminium pipe with both ends threaded. Use to make your own pipe, or as a down stem. Length: 6cm 10mm diameter Material: Anodised Aluminium Feature: Double Thread...

17cm ALLOY BONZA STEM with external threading15mm diameter 

17cm Alloy Bonza Stem for all Bonza Connections. 15mm diameterUnthreaded. Fits bonza pop in cones. For compatible cone piece| click here

14cm ANOD STANDARD STEM 10mm diameterColours vary and will be selected at random unless specifiedFits all standard collars & cone piecesUse with pop in collar & pop in cone| slip in...

20cm STD. ANOD. COLOURED D/THREADED STEM

BONZA STEM INTERNAL THREAD 17cm NON-ANODISED Fits bonza screw in cones: CLICK HERE

12cm Alloy Standard Stem for all Standard Connections|10mm diameterFits all standard collars & cone piecesUse with pop in collar & pop in cone| slip in collar & slip in cone|...

Measuring 12cm in length and 15mm in diameter, the unthreaded Alloy Bonza Stem is a reliable choice for any setup.

Alloy Bonza Stem 10cm length x 15mm diameter Unthreaded. For compatible cone piece

BONZA STEM INTERNAL THREAD 10cm NON-ANODISEDFits bonza screw in cones: CLICK HERE

BONZA STEM INTERNAL THREAD 14cm NON-ANODISEDFits bonza screw in cones: CLICK HERE

14cm Anodised aluminium BONZA STEM15mm diameterUnthreaded. Comes in various colours. Colour will be selected at random unless otherwise requested. Fits bonza pop in cones.

14cm Alloy Bonza Stem for all Bonza Connections. 15mm diameterUnthreaded. Fits bonza pop in cones. For compatible cone piece| click here