Heyiarbeit 1Pcs Drill Chuck Key, 3-16mm Capacity 21mm Gear 8mm Dia Pilot Spanner Chuck Key

Heyiarbeit Drill Chuck Key Technical Parameters Color: Black Material: Carbon Steel Surface Treatment:Chemical Blackening,Chrome Plated Gear Teeth Quantity: 11 Pilot Diameter: 8mm / 0.31 inch Gear Diameter: 21mm / 0.83 inch Product Feature 1.A chuck require a key to provide the necessary torque to tighten and loosen the jaws. 2.Allows you to keep your drill bits firmly in place for difficult jobs. 3.Great for replacing lost or worn out drill chuck keys. 4.Used for controlling tightness of looseness of electric drill clamping tool. Notes 1.Do not subject chuck key handles to hammer or other impact blows. 2.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. Package Content 1 x Drill Chuck Key

• [Dimension]-Gear Teeth Quantity: 11;Pilot Diameter: 8mm / 0.31 inch;Gear Diameter: 21mm / 0.83 inch.
• [Construction]-Made from solid carbon steel and coated with durable paint.
• [Feature]-Used for controlling tightness of looseness of electric drill clamping tool.Can be used in hammer or drilling mode.
• [Common use]-Ideal for drill tightening and loosening, keep your drill bits firmly in place.
• [Application]-Helps with securing drill bits in hammer drills and is also universal for many other types of drills.