4 Size 3/8" 1/2" 5/8" 3/4" Drill Chuck Key Combination Wrench Drill

Features:

Drill chuck wrench for electric drill clamping tool.
Use for controlling tightness of looseness of electric drill clamping tool.
Can be used in hammer or drilling mode,very durable, comfortable to grip.

Note:

Do not subject chuck key handles to hammer or other impact blows.
As long as the dimensions are right, you don't need to use too much force to tighten the drill chuck. Otherwise, the gear may be damaged.

Specifications:

Item color: black   
           Chuck Diameter   Teeth Quantity    Outer Diameter of Gear   Salient Point       Net Weight

001     20mm                11pcs               25mm                         9mm               approx 111g

002     10mm                11pcs               12.5mm                         6mm               approx 21g

003     13mm                12pcs               17.5mm                       6mm               approx 34g 

004     16mm                11pcs               21.5mm                       8mm               approx 63g

Package Included:

4x Drill Chuck Key