
The Proto J7099 Handle is a compact and durable hand tool built for strength, precision, and consistent performance. With a 3/8 in drive size and 5-1/2 in overall length, it’s ideal for tight spaces and demanding mechanical applications. Constructed from alloy steel with a black oxide finish, it resists wear and maintains torque reliability under heavy use.
Drive Size: 3/8 in for medium-duty fastening tasks
Material: Alloy steel for enhanced strength and durability
Finish: Black oxide coating for reduced glare and added toughness
Grip Style: Knurled for a secure, non-slip hold
Handle Shape: Straight for controlled torque delivery
Measurement Type: SAE standard
Non-Insulated: For general mechanical applications
Series: Proto professional hand tools
Reliable grip and control with the knurled handle design
Compact 5-1/2 in length for use in confined workspaces
Engineered for longevity with a rugged alloy steel build
Corrosion-resistant finish supports long-term professional use
Choose the Proto J7099 for its precise balance, durable steel construction, and dependable grip—perfect for mechanics and technicians who demand professional-grade performance.
The Proto J7099 Handle is a compact and durable hand tool built for strength, precision, and consistent performance. With a 3/8 in drive size and 5-1/2 in overall length, it’s ideal for tight spaces and demanding mechanical applications. Constructed from alloy steel with a black oxide finish, it resists wear and maintains torque reliability under heavy use.
Drive Size: 3/8 in for medium-duty fastening tasks
Material: Alloy steel for enhanced strength and durability
Finish: Black oxide coating for reduced glare and added toughness
Grip Style: Knurled for a secure, non-slip hold
Handle Shape: Straight for controlled torque delivery
Measurement Type: SAE standard
Non-Insulated: For general mechanical applications
Series: Proto professional hand tools
Reliable grip and control with the knurled handle design
Compact 5-1/2 in length for use in confined workspaces
Engineered for longevity with a rugged alloy steel build
Corrosion-resistant finish supports long-term professional use
Choose the Proto J7099 for its precise balance, durable steel construction, and dependable grip—perfect for mechanics and technicians who demand professional-grade performance.