Connex B20206 Mini file set, 6 pieces
Connex B23003 Adapter set, 3 pieces
1/4" external hexagon head x 1/4" external square head with ball
1/4" external hexagon head x 1/2" external square head with ball
1/4" external hexagon head x 3/8" external square head with ball
Suitable for all box nuts, for direct drive via the drill chuck or by means of fixture holder (1/4" hexagon)