slide and a cam surface on the reversible termination blade the blade is inserted in the slide with a rectilinear motion aligning the cam follower with the cam a rotary motion of the blade in the slide causes the cam to pass the cam follower capturing the cam follower behind the cam and interlocking the termination blade in the slide with the desired end of the termination blade projecting therefrom application_number US 80744177 A description fig1 shows a termination tool 11 having a termination blade 12 extending therefrom termination tool 11 has a manually engageable handle 13 in which is contained a slide 14 which is movable longitudinally with respect to handle 13 means are provided within handle 13 for delivering a striking blow or impact to slide 14 the means for delivering a striking blow may be of the type disclosed in u s pat no 3 883 316 slide 14 has a pin like projection 16 formed on one end which functions as a trigger in conjunction with the means for delivering an impact to slide 14 a shoulder 17 surrounds the base of pin like projection 16 functioning as an anvil to receive the striking blow or impact from the means for providing the same a cylindrical portion of slide 14 extends from shoulder 17 to a reset spring seat 18 a land 19 surrounds slide 14 and engages an inner lip 21.