20″ / 510mm
Supplied with W19 adapter.

AUTOSAN
   H09
 
BEDFORD
   TM Blitz Series (F CAB) (74-92)
   TM Series (F Cab) (74-87)
 
DAF
   45.120, 130, 150, 160 (91)
   FA 100 CN (86)
 
DENNIS
   Bulkmaster Refuse Truck (79-)
 
ERF
   B Series (78-)
   C Series (83-)
   E Series (86-92)
   LV/Jenning Cab, 54G, 68GXB, 66CU, 230 (67-76)
   MGC 420 (73-)
   MGC 420 (73-78)
 
FODEN
   S39 Cab (69-)
   Steel Cab, S50 1/2 Cab, S60, S70 Cab (69-72)
 
FORD
   A SERIES (75)
   D SERIES (65-81)
   H Series (75-80)
   N SERIES (72-81)
   TRANSCONTINENTAL (75-83)
 
IVECO
   H Series (75-)
 
KAROSA
   700 Series (82-96)
 
LEYLAND
   BISON, BUFFALO, LYNX (65-77)
 
LEYLAND DAF
   1900/2300/2700 (91-)
   Bison, Buffalo (65-78)
   Ergomatic (65-78)
 
LIAZ
   110 Series (84-92)
   300 Series (92-95)
 
R.V.I.
   SERIES G, GD (91)
 
RENAULT
   C Series (87-)
   G Series (83-92)
   HB, HF, HM, HN Series (77-)
 
SCAMMEL
   HANDYMAN 4 (67-82)
   TRUNKER, ROUTEMAN 3 (67-82)
 
SCAMMELL
   Routeman III (67-)
 
SCANIA
   CR76, 110 BUS (75)
 
SEDDON ATKINSON
   Borderer, Defender, Leader (68-75)
   Searcher, Venturer (68-75)
   Viewline Cab (68-71)
 
TATRA
   T813 (72-82)
 
VAN HOOL
   T915 (96-)
   T917 Acron (98-)
 
WALTER ALEXANDER
   City Bus (68-)
   R Type (84-)