fig6 the handle 115 can be fabricated of a polymer metal or any other material suitable to withstand hammering or impact forces used to drive the assembly into bone e g via use of a hammer or similar device on the handle 115 the inner and outer sleeves are fabricated of a suitable metal alloy such as stainless steel or niti the wall thicknesses of the inner and outer sleeves can range from about 0 005 u2033 to 0 010 u2033 with the outer diameter the outer sleeve ranging from about 2 5 mm to 5 0 mm referring to fig1 and 4 the handle 115 comprises both a first grip portion 140 and a second actuator portion indicated at 142 the grip portion 140 is coupled to the first sleeve 120 as will be described below the actuator portion 142 is operatively coupled to the second sleeve 122 as will be described below the actuator portion 142 is rotatable relative to the grip portion 140 and one or more plastic flex tabs 145 of the grip portion 140 are configured to engage notches 146 in the rotatable actuator portion 142 to provide tactile indication and temporary locking of the handle portions 140 and 142 in a certain degree of rotation the flex.