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 Shaft Diameter
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+ £0.488
10+ £0.446
50+ £0.408
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

93 in stock, despatched same dayAdditional quantity lead time 7 weeks
5+ £0.498
10+ £0.424
50+ £0.358
100+ £0.303
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

Out of stock100 due on 23/12/2025
5+ £0.546
10+ £0.505
50+ £0.461
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+ £1.09
10+ £0.983
50+ £0.811
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

185 in stock, despatched same dayAdditional quantity lead time 7 weeks
1+ £1.12
10+ £1.04
50+ £0.831
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

145 in stock, despatched same dayAdditional quantity lead time 7 weeks
1+ £0.280
10+ £0.265
50+ £0.251
100+ £0.245
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

2 in stock, despatched same dayAdditional quantity lead time 7 weeks
1+ £0.198
10+ £0.183
50+ £0.159
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

199 in stock, despatched same dayAdditional quantity lead time 7 weeks
1+ £0.280
10+ £0.255
50+ £0.222
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

49 in stock, despatched same dayAdditional quantity lead time 7 weeks
1+ £0.211
10+ £0.193
50+ £0.176
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

75 in stock, despatched same dayAdditional quantity lead time 7 weeks
5+ £0.295
10+ £0.271
50+ £0.249
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

235 in stock, despatched same dayAdditional quantity lead time 7 weeks
1+ £0.440
10+ £0.377
50+ £0.346
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+ £0.772
10+ £0.639
50+ £0.551
100+ £0.485
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

147 in stock, despatched same dayAdditional 100 due on 23/12/2025
5+ £0.298
10+ £0.229
50+ £0.203
100+ £0.175
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

13 in stock, despatched same dayAdditional quantity lead time 7 weeks
5+ £0.292
10+ £0.270
50+ £0.248
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

82 in stock, despatched same dayAdditional quantity lead time 7 weeks
1+ £0.440
10+ £0.400
50+ £0.345
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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