Draper sash clamp. 1220mm capacity malleable clamping head with screw and T bar handle new so in excellent condition. £18 . 2. . Report. Sash clamps. Tenterden, Kent. 23/03/2019. Sash clamps used, 6 x 30 and 1 x 19 cast all good quality. ... Sash clamps for sale.