Cliff K21 Control Knobs and Coloured Caps

Cliff Brand: Cliff

The Cliff K21 series is a range of black control knobs that fit splined, 'D' and round-shafted controls, while presenting the same design of knob regardless of fixing. Suitable caps are available separately in a range of colours, with or without marker dots or lines.

  • Range of shaft diameters and fixings
  • Height (with cap) 19.2mm
  • Max. diameter 19.3mm
  • Range of coloured caps with or without marker
  • Cliff K21 series
Please note that knobs are supplied without caps.
Description Image Product Buy Pricing (Ex VAT) Type Colour Diameter Fixing ShaftDiameter
Cliff CL178882 K21 Control Knob Black 6mm Splined
Cliff CL178882 K21 Control Knob Black 6mm Splined
Standard range
Order code: 32-1904
MPN: CL178882

134 in stock, despatched same dayAdditional quantity lead time 7 weeks
5+ £0.498
10+ £0.455
50+ £0.417
Price per unit Ex VAT 		Control Knob Black 19.3mm Splines 6mm
Cliff CL178883 K21 Control Knob Black 6mm D Shaft
Cliff CL178883 K21 Control Knob Black 6mm D Shaft
Standard range
Order code: 32-1906
MPN: CL178883

87 in stock, despatched same dayAdditional quantity lead time 7 weeks
5+ £0.508
10+ £0.433
50+ £0.366
100+ £0.310
Price per unit Ex VAT 		Control Knob Black 19.3mm Push fit 6mm
Cliff CL178886 K21 Control Knob Black 1/4" D Shaft
Cliff CL178886 K21 Control Knob Black 1/4" D Shaft
Standard range
Order code: 32-1912
MPN: CL178886

300 in stock, despatched same dayAdditional quantity lead time 7 weeks
5+ £0.557
10+ £0.516
50+ £0.471
Price per unit Ex VAT 		Control Knob Black 19.3mm Push fit 6.35mm
Cliff CL178884 K21 Control Knob Black 6mm Screw Fix
Cliff CL178884 K21 Control Knob Black 6mm Screw Fix
Standard range
Order code: 32-1908
MPN: CL178884

152 in stock, despatched same dayAdditional quantity lead time 7 weeks
1+ £1.12
10+ £1.01
50+ £0.828
Price per unit Ex VAT 		Control Knob Black 19.3mm Screw 6mm
Cliff CL178887 K21 Control Knob Black 1/4" Screw Fix
Cliff CL178887 K21 Control Knob Black 1/4" Screw Fix
Standard range
Order code: 32-1914
MPN: CL178887

198 in stock, despatched same dayAdditional 100 due on 28/05/2026
1+ £1.15
10+ £1.07
50+ £0.848
Price per unit Ex VAT 		Control Knob Black 19.3mm Screw 6.35mm
Cliff CL1730 K21 Knob Cap - Black
Cliff CL1730 K21 Knob Cap - Black
Standard range
Order code: 32-1916
MPN: CL1730

135 in stock, despatched same dayAdditional quantity lead time 7 weeks
1+ £0.286
10+ £0.271
50+ £0.257
100+ £0.250
Price per unit Ex VAT 		Cap Black Push fit
Cliff CL1734 K21 Knob Cap - Red
Cliff CL1734 K21 Knob Cap - Red
Standard range
Order code: 32-1946
MPN: CL1734

69 in stock, despatched same dayAdditional quantity lead time 7 weeks
1+ £0.202
10+ £0.187
50+ £0.163
Price per unit Ex VAT 		Cap Red Push fit
Cliff CL1742 K21 Knob Cap - Green
Cliff CL1742 K21 Knob Cap - Green
Standard range
Order code: 32-1934
MPN: CL1742

165 in stock, despatched same dayAdditional quantity lead time 7 weeks
1+ £0.286
10+ £0.261
50+ £0.227
Price per unit Ex VAT 		Cap Green Push fit
Cliff CL1740 K21 Knob Cap - Blue
Cliff CL1740 K21 Knob Cap - Blue
Standard range
Order code: 32-1952
MPN: CL1740

19 in stock, despatched same dayAdditional quantity lead time 7 weeks
1+ £0.216
10+ £0.197
50+ £0.180
Price per unit Ex VAT 		Cap Blue Push fit
Cliff CL1764 K21 Knob Cap - Black With Marker Line
Cliff CL1764 K21 Knob Cap - Black With Marker Line
Standard range
Order code: 32-1918
MPN: CL1764

59 in stock, despatched same dayAdditional quantity lead time 7 weeks
5+ £0.301
10+ £0.277
50+ £0.254
Price per unit Ex VAT 		Cap Black Push fit
Cliff CL1768 K21 Knob Cap - Red With Marker Line
Cliff CL1768 K21 Knob Cap - Red With Marker Line
Standard range
Order code: 32-1948
MPN: CL1768

233 in stock, despatched same dayAdditional quantity lead time 7 weeks
1+ £0.449
10+ £0.385
50+ £0.353
Price per unit Ex VAT 		Cap Red Push fit
Cliff CL1769 K21 Knob Cap - Orange With Marker Line
Cliff CL1769 K21 Knob Cap - Orange With Marker Line
Standard range
Order code: 32-1960
MPN: CL1769

89 in stock, despatched same dayAdditional quantity lead time 7 weeks
5+ £0.788
10+ £0.652
50+ £0.563
100+ £0.495
Price per unit Ex VAT 		Cap Orange Push fit
Cliff CL1772 K21 Knob Cap - Yellow With Marker Line
Cliff CL1772 K21 Knob Cap - Yellow With Marker Line
Standard range
Order code: 32-1942
MPN: CL1772

257 in stock, despatched same dayAdditional 200 due on 28/05/2026
5+ £0.304
10+ £0.234
50+ £0.208
100+ £0.179
Price per unit Ex VAT 		Cap Yellow Push fit
Cliff CL1774 K21 Knob Cap - Blue With Marker Line
Cliff CL1774 K21 Knob Cap - Blue With Marker Line
Standard range
Order code: 32-1954
MPN: CL1774

163 in stock, despatched same dayAdditional quantity lead time 7 weeks
5+ £0.298
10+ £0.276
50+ £0.253
Price per unit Ex VAT 		Cap Blue Push fit
Cliff CL1770 K21 Knob Cap - Grey With Marker Line
Cliff CL1770 K21 Knob Cap - Grey With Marker Line
Standard range
Order code: 32-1930
MPN: CL1770

80 in stock, despatched same dayAdditional quantity lead time 7 weeks
1+ £0.449
10+ £0.408
50+ £0.352
Price per unit Ex VAT 		Cap Grey Push fit
Order codeMftrs Part No.
32-1904CL178882Black knob6mm splined
32-1906CL178883Black knob6mm D shaft
32-1912CL178886Black knob1/4 D shaft
32-1902CL178881Black knob4mm screw
32-1908CL178884Black knob6mm screw
32-1914CL178887Black knob1/4 screw
32-1916CL1730BlackSolid colour
32-1946CL1734RedSolid colour
32-1940CL1738YellowSolid colour
32-1934CL1742GreenSolid colour
32-1952CL1740BlueSolid colour
32-1928CL1736GreySolid colour
32-1918CL1764BlackMarker line
32-1948CL1768RedMarker line
32-1960CL1769OrangeMarker line
32-1942CL1772YellowMarker line
32-1954CL1774BlueMarker line
32-1930CL1770GreyMarker line
32-1938CL1755GreenMarker dot
32-1926CL1746WhiteMarker dot


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