G39-448 G39448 Steinmann Pin Double Trocar Threaded 9" 4.5mm .177" G39-446 G39446 Steinmann Pin Double Trocar Threaded 9" 4.0mm 5/32" G39-444 G39444 Steinmann Pin Double Trocar Threaded 9" 3.5mm 9/64" G39-442 G39442 Steinmann Pin Double Trocar Threaded 9" 3.2mm 1/8" G39-440 G39440 Steinmann Pin Double Trocar Threaded 9" 2.8mm 7/64" G39-438 G39438 Steinmann Pin Double Trocar Threaded 9" 2.4mm 3/32" G39-436 G39436 Steinmann Pin Double Trocar Threaded 9" 2.0mm 5/64"