32mm square lead sash weight add ons these measure 45mm - 42mm per lb and with double increments.   90mm 2lb and 135mm for  3lb and so on on 45mm increments.   these are mainly used for smaller/ thinner windows 35mm sashes as the 38mm round/ square bars may cause the weights to be stuck in the cavity of the box frame as there is not enough room.  these come with a 10mm hole so that you thread your sash cord through the hole and to tie to the original sash weight  please note they may have been cut slightly bigger to allow for cutting and could have 3mm bigger on them.  please our other listings for bigger 11lb round 38mm weights at 450mm or contact us for bigger hand cut sizes of this 32mm square bar. please note that all weights are sold singulary and this is not for 3 bars that is in the picture so pick your weight you need on the drop down menu