An adaptor to connect a wiper blade to an end region of a wiper arm of a vehicle, said end region of said wiper arm having a U-profile in cross section, said wiper arm configured with a sliding latch having a recess , a U-profile in cross section having opposing first and second latch side walls , and a latching projection on a lower side of said sliding latch , said latching projection comprising a first latching nose projecting inward from said first latch side wall and a second latching nose projecting inward from said second latch side wall , said adaptor comprising: an intermediate connector comprising a U-shaped channel having a main wall , opposing first and second connector side walls , a first slot in said first connector side wall configured to engage with said latching projection on said sliding latch and a first projection extending upward from said main wall and configured to engage with said recess in said sliding latch , a second slot in said second connector side wall configured to mate with said second latching nose , and a first rib projecting outwardly from one of said connector side walls and a slider comprising a first connector formation configured to engage with said intermediate connector and at least one second connector formation configured to retain said wiper blade ; wherein said first rib is configured to engage a spacer assembled at an end of said wiper arm , said first slot extending upward on said first connector side wall and through said main wall providing a passageway for said first latching nose ; and characterized in that said intermediate connector comprises a pin configured to engage with said first connector formation of said slider and wherein each of said first and second slots further comprises a first leg generally extending vertically, a longitudinal second leg extending away from said first leg , and a detent to positively restrain said respective latching nose within said second leg . an intermediate connector comprising a U-shaped channel having a main wall , opposing first and second connector side walls , a first slot in said first connector side wall configured to engage with said latching projection on said sliding latch and a first projection extending upward from said main wall and configured to engage with said recess in said sliding latch , a second slot in said second connector side wall configured to mate with said second latching nose , and a first rib projecting outwardly from one of said connector side walls and a slider comprising a first connector formation configured to engage with said intermediate connector and at least one second connector formation configured to retain said wiper blade ; wherein said first rib is configured to engage a spacer assembled at an end of said wiper arm , said first slot extending upward on said first connector side wall and through said main wall providing a passageway for said first latching nose ; and characterized in that said intermediate connector comprises a pin configured to engage with said first connector formation of said slider and wherein each of said first and second slots further comprises a first leg generally extending vertically, a longitudinal second leg extending away from said first leg , and a detent to positively restrain said respective latching nose within said second leg . <EOS>