ltlutilit y supply c om 184 T OOLS Snap O n I ndustrialW illiams 12 Driv e He x to S quar e Shank Impac t Ex tensions Specially heat tr eat ed f or impac t use t o pr o vide long lif e saf et y and durabilit y Spring plunger pr o vides secur e socket r e t e ntion f or saf et y and c o n v enienc e Suitable f or use with pneumatic and elec tric impac t wr enches P a r t H e x S hank S i z e S quare D riv e S i z e Length 433B 716 12 2 34 435B 716 12 5 453B 58 12 2 34 12 Driv e Impac t Ex tensions A c c essories Specially heat tr eat ed f or impac t use t o pr o vide long lif e saf et y and durabilit y Spring plunger pr o vides secur e socket r e t e ntion f or saf et y and c o n v enienc e Suitable f or use with pneumatic and elec tric impac t wr enches P a r t Description Length S ock et Ret ention 4102 Impac t Ext ension 3 12 Lock Ring 4105A Impac t Ext ension 5 S pring Plunger 4110A Impac t Ext ension 10 S pring Plunger 4140B Impac t Univ ersal Joint 2 12 S pring Plunger 42A 38 M x 12 F A dapt er 2 14 S pring Plunger 46 34 M x 12 F A dapt er 1 14 Through Hole 12 Driv e Impac t Ex tensions A c c essories Specially heat tr eat ed f or impac t use t o pr o vide long lif e saf et y and durabilit y Ball socket r e t e ntion f or fast socket changes Suitable f or use with pneumatic and elec tric impac t wr enches Driv e end f e atur es pin r e t e ntion hole and g r oo v e P a r t H e x S hank S i z e Length S ock et Ret ention 37002 Impac t Ext ension 3 Ball 37003 Impac t Ext ension 6 Ball 37004 Impac t Ext ension 10 Ball 37001 Impac t Un viersal Joint 2 916 Ball 37005 12 F x 38 M A dapt er 1 78 Ball