ITEM NAME:Socket Adapter Impact Hex Shank Drill Bits Bar Set 1/4 inch 3/8 inch 1/2 in T9E3 Socket Adapter Impact Hex Shank Drill Bits Bar Set 1/4 inch 3/8 inch 1/2 in T9E3 This 8pcs drill bits is perfect for your impact driver or power drill / electric screwdriver, they fits all quick change chucks as well as standard drill chucks. The 105 Degree angle extension is a great handy tool for hard-to-reach areas, 360 Degree parallelly adjustment, it can connect hand drill and manual wrench and makes your job finished more easily and rapidly. Material: Chrome vanadium steel. Strong bulid-in socket holds, standard hex drilling and drive bits. These 8 drill bits are the perfect driver or electric drill / electric screwdriver and they will fit all standard drill chucks. The 105 Degree angle is a handy tool for hard-to-reach areas and 360 Degree parallel adjustments make it easy and fast. Powerful built-in socket, standard hexagonal drill and driven drill. Size: (12.7mm 12.7mm 9.53mm 9.53mm 6.35mm 6.35mm 6.35mm 6.35mm) Each one Package Contents: 2 x 1/2 inch drill bits 2 x 3/8 inch drill bits 4 x 1/4 inch drill bits 1 x 105 degree right angle drill bit adapter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..This 8pcs drill bits is perfect for your impact driver or power drill / electric screwdriver, they fits all quick change chucks as well as standard drill chucks. Strong bulid-in socket holds, standard hex drilling and drive bits.