With help of those impact grade adapters you will be able to size up or reduce the size of the square drive of your impact wrench, breaker bar and manual hand ratchets. This set of socket adapters was made of a heavy duty drop forged and heat treated chrome vanadium steel for superior strength and durability to exceed and endure in all work conditions. The super tough black oxide wear resistant coating finish provides protection against corrosion and oxidation. Each adapter includes a spring loaded ball detent that keeps your sockets locked into place and secure through holes that also allow the use of locking pin to secure impact adapter to the impact drive tools.

Features:

• Impact grade for use with high torque applications
• Made of heavy duty drop forged and heat-treated chrome vanadium steel
• Tough black oxide coating finish, for resistance against wear and corrosion
• Includes a spring-loaded ball detent that keeps your sockets locked into place
• Pin holes that also allow the use of locking pins to ensure stability and supreme execution

Specifications:

• Model: 7AD-SET 
• Made of chrome vanadium steel
• Heat treated steel
• Equipped with spring-loaded ball 
• Predrilled security pin holes
• Black oxide coating
• Laser engraved size marking
• Color: black finish
• Weight: 3.1lbs or 1.4kg

Set includes: 

• 3/8" to 1/4" reducer
• 1/2" to 3/8" reducer
• 3/4" to 1/2" reducer
• 1" to 3/4" reducer
• 1/4" to 3/8" up size adapter
• 3/8" to 1/2" up size adapter
• 1/2" to 3/4" up size adapter
• 3/4" to 1" up size adapter

Package includes:

• Seven up-size and reducer adapters
• Plastic storage case