DuraDrive 6.5 in. 14 TPI Coping Saw Blade (10-Pack).
Features
To fit blade, release tension on the saw by turning the handle anticlockwise whilst holding the blade holder
One end of the blade is fitted into the slot of the front holder, press the frame against a firm surface until you can fit the free end of the blade into the rear holder
To ensure that the blade is straight, at whatever angle it is being used, it is necessary to have blade holder in line