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

Specifications: 
Material: Chrome vanadium steel CR-V 
Color: Black 
Product size: approx. Turn 1/2″( 12.5mm) ,3/8″ (10mm) ,1/4″ (6.3mm) connector 
1/4 x1/4 x 50mm length—1/4 ” shank can be converted to 6.35mm square head 
3/8 x 1/4 x 50mm length—1/4 ” shank can be 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)