Proto WRENCH STRIKING BOX 3 -

Hook Spanner Wrench by Proto (Model JC474A)

The Proto Hook Spanner Wrench is a versatile and durable tool designed for precision tightening and loosening of nuts and collars. Measuring 12 inches in overall length, this wrench accommodates sizes from 4 1/2 inches to 6 1/4 inches, making it ideal for various mechanical and industrial applications. Crafted from high-quality alloy steel with a black oxide finish, it offers excellent corrosion resistance and long-lasting performance. The adjustable hook design ensures a secure fit on lock nuts, bearing rings, and servicing collars, providing reliable control and ease of use for professionals and DIY enthusiasts alike.

• Adjustable hook thickness of 15/32 inch for precise engagement
• Fits nut sizes ranging from 4 1/2 inches to 6 1/4 inches
• Made from durable alloy steel with a corrosion-resistant black oxide finish
• Quick manual adjustment for efficient operation
• Overall length of 12 inches for comfortable handling
• One-piece black handle designed for strength and durability
• Tether capable for added safety during use
• Complies with Federal Specification GGG-W-665B standards
• Lightweight at 1.07 lb for ease of use without fatigue
• Manufactured in the USA (subject to change)

1. Maintenance and repair of industrial machinery
2. Assembly and disassembly of bearing lock nuts and collars
3. Automotive and heavy equipment servicing
4. Mechanical workshops and manufacturing plants
5. Precision tightening tasks in construction and engineering projects