The Superior Tool 03840 is an adjustable combination wrench designed specifically for plumbing applications. This single tool handles multiple plumbing nuts—spud nuts, slip nuts, lock nuts, and basket strainer nuts—making it an essential addition to any plumber’s or homeowner’s toolkit. The wrench adjusts from 1 to 3 inches for use on under-sink repairs and plumbing maintenance.
Whether you’re tackling routine maintenance or professional plumbing work, this adjustable wrench simplifies the job. The locknut holds your sizing adjustment securely in place during use. The cushion grip handle is ergonomically designed to reduce hand fatigue during extended work sessions, making repetitive plumbing repairs more comfortable.
Features and Benefits
- 1 to 3 Inch Jaw Capacity: One wrench covers a wide range of nut sizes, saving space in your toolbox.
- Fits Multiple Nut Types: Handles spud nuts, slip nuts, lock nuts, and basket strainer nuts commonly found in plumbing installations and repairs.
- Zinc-Plated Malleable Iron Construction: Durable material provides long-lasting performance.
- Secure Locknut: Holds your chosen jaw size firmly in place during use.
- Cushion Grip Handle: Soft, ergonomic handle reduces hand fatigue and improves control during extended use.
Specifications
- Brand: Superior Tool
- Model: 03840
- Jaw Capacity: 1 to 3 inches
- Overall Length: 11 inches
- Material: Malleable iron with zinc plating
- Handle: Cushion grip
WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov.








