8Pc Drill Socket Adapter Set Impact Nut Driver Hex Extension Bits 1/4" 3/8" 1/2"

converted to 9.53mm square head 
1/2 x 1/4 x 50mm length---1/4 " shank can be converted to 12.7mm square head 
1/4 x 1/4 x 65mm length---1/4 " shank can be converted to 6.35mm square head 
3/8 x 1/4 x 65mm length---1/4 " shank can be converted to 9.53mm square head 
1/2 x 1/4 x 73mm length---1/4 " shank can be converted to 12.7mm square head 
1/4 x 1/4 x 25mm length---1/4 " shank can be converted to 6.35mm square head 
1/4 x 1/4 x 30mm length---1/4 " shank can be converted to 6.35mm square head 
Quantity: 1 Set (8 Pcs)