Adjustable extension rods to suit the Kenrick Sentrilock gearbox.

Various sizes available
Sizes given below are overall sash sizes - NOT size per rod.

GR1A = Overall sash sizes between 350mm - 450mm
GR2 = Overall sash sizes between 451mm - 550mm
GR2A = Overall sash sizes between 551mm - 650mm
GR3 = Overall sash sizes between 651mm - 750mm
GR3A = Overall sash sizes between 751mm - 850mm
GR4 = Overall sash sizes between 851mm - 950mm
GR4A = Overall sash sizes between 951mm - 1050mm
GR5 = Overall sash sizes between 1051mm - 1150mm
GR5A = Overall sash sizes between 1151mm - 1250mm
GR6 = Overall sash sizes between 1251mm - 1350mm
GR6A = Overall sash sizes between 1351mm - 1450mm
GR7 = Overall sash sizes between 1451mm - 1550mm

(Please specify size required when ordering)
Rods are supplied in pairs