A surgical handle assembly apparatus (106, 206, 306, 506), comprising: a movable handle member (110, 210, 310, 410, 510); and a switch (220, 320) configured to: provide a first mode of operation and a second mode of operation for the movable handle member, wherein the first mode of operation deploys one or more staples and the second mode of operation deploys one or more staples, and wherein the first mode of operation deploys a different number of staples than the second mode of operation; characterized in that the surgical handle assembly apparatus further comprises: a driving pawl (230, 330) pivotally connected to a swing wheel (226,326,426) and pivotally connected to the movable handle member, wherein the driving pawl is configured to: advance an actuation shaft (240, 340, 540) linearly in a distal direction a first distance in response to actuation of the movable handle member in the first mode of operation and advance the actuation shaft linearly in the distal direction a second distance in response to actuation of the movable handle member in the second mode of operation, wherein the switch is configured to switch between the movable handle member being coupled to a first pin and a second pin so as to change a distance between the one of the first pin and second pin serving as a pivot point for the movable handle member and a coupling pin of the driving pawl (230, 330). a movable handle member (110, 210, 310, 410, 510); and a switch (220, 320) configured to: provide a first mode of operation and a second mode of operation for the movable handle member, wherein the first mode of operation deploys one or more staples and the second mode of operation deploys one or more staples, and wherein the first mode of operation deploys a different number of staples than the second mode of operation; characterized in that the surgical handle assembly apparatus further comprises: a driving pawl (230, 330) pivotally connected to a swing wheel (226,326,426) and pivotally connected to the movable handle member, wherein the driving pawl is configured to: advance an actuation shaft (240, 340, 540) linearly in a distal direction a first distance in response to actuation of the movable handle member in the first mode of operation and advance the actuation shaft linearly in the distal direction a second distance in response to actuation of the movable handle member in the second mode of operation, wherein the switch is configured to switch between the movable handle member being coupled to a first pin and a second pin so as to change a distance between the one of the first pin and second pin serving as a pivot point for the movable handle member and a coupling pin of the driving pawl (230, 330). a driving pawl (230, 330) pivotally connected to a swing wheel (226,326,426) and pivotally connected to the movable handle member, wherein the driving pawl is configured to: advance an actuation shaft (240, 340, 540) linearly in a distal direction a first distance in response to actuation of the movable handle member in the first mode of operation and advance the actuation shaft linearly in the distal direction a second distance in response to actuation of the movable handle member in the second mode of operation, wherein the switch is configured to switch between the movable handle member being coupled to a first pin and a second pin so as to change a distance between the one of the first pin and second pin serving as a pivot point for the movable handle member and a coupling pin of the driving pawl (230, 330).