Quick release chuck
3 extension length adjustment
1/4" to 4.0mmadaptor
Adjustable 3–length extension bar: Up to 115 mm long, ideal for adjusting and accessing fasteners in narrow areas.
1/4" to 4.0mm adaptor: Easy to match most screwdriver bits for all your repair requirements.
Swivel Cap: For precise control and screw turning with a fingertip.
Non-Slip TPR handles: With an ergonomic design for comfortable operation.
Durable storage box: For bits managing storage and easy carrying.
24 pcs 1/4" eletrical bits: For electronic and electrical field, suited for home, office, PC and bike and more.
30 pcs 4mm precision bits: Repair cell phones, game consoles, wearables, laptops, desktops, tablets, small appliances, and much more.

24pcs CR-V Ø6.35mm Bits Slotted: 4.0,5.0,6.0,7.0mm Phillips:PH0,PH1,PH2X2,PH3 Hex:3.0,4.0,5.0,6.0mm Square: S1,S2 Pozidriv: PZ0, PZ1, PZ2, PZ3 Spanner:2.6mm Torx:T25,T27,T30,T40	30 pcs CR-V Ø4mm Bits Slotted: 1.5,2.0,2.5,3.0,3.5,4.0mm Phillips:PH00,PH0,PH1,PH2 Hex:0.9,1.3,1.5,2.0,2.5,3.0mm Torx:T4,T5,T6,T7,T8,T10,T15,T20 Needle type:1.0 / Triangle:3.0 / Tri-wing:3.0 Spanner:2.6mm Pantalone:P2, P5
6.35mm extension bar( OAL100mm)	6.35mm to 4.0mm adaptor
Non-slip handle