Category: Boating and Marine Equipment Boating is a popular pastime that requires various equipment to ensure safety and enjoyment on the water. One of the essential tools needed for boating is a shaft packing wrench, which helps in tightening or loosening the stuffing box and packing gland on an inboard engine. In this review, we will discuss different types of shaft packing wrenches available in the market and their features to help you choose the right one for your needs. 1-3/4" Shaft Packing Wrench for Inboards: This is a basic type of shaft packing wrench that can be used on most inboard engines. It has a 1-3/4 inch handle with a flat end and a round head to fit the stuffing box bolts. The wrench is made of durable steel, making it long-lasting and reliable. However, this type of wrench may not work well for larger stuffing boxes or engines that require more torque to tighten the packing gland. 1-7/8" + 2-1/4" Shaft Packing Wrench Combo Pack: This combo pack includes two different sizes of shaft packing wrenches, making it a versatile tool for various boating needs. The first wrench has a 1-7/8 inch handle with a flat end and a round head to fit the stuffing box bolts. It is made of high-quality steel and can be used on most inboard engines. The second wrench has a 2-1/4 inch handle with a flat end and a round head, making it ideal for larger stuffing boxes or engines that require more torque to tighten the packing gland. This combo pack is an excellent choice for boaters who need both small and large shaft packing wrenches. 2" Shaft Packing Wrench for Inboards: This type of shaft packing wrench has a 2-inch handle with a flat end and a round head to fit the stuffing box bolts. It is made of durable steel, making it long-lasting and reliable. This wrench can be used on most inboard engines but may not work well for larger stuffing boxes or engines that require more torque to tighten the packing gland. Shaft Packing Wrench set for Inboards (Stuffing Box/Packing Gland): This set includes a variety of shaft packing wrenches, including 1-3/4 inch, 2-1/4 inch, and 3-1/4 inch handles with flat ends and round heads to fit the stuffing box bolts. The set also includes a 2" handle with a flat end and a round head for larger stuffing boxes or engines that require more torque to tighten the packing gland. This set is an excellent choice for boaters who need multiple sizes of shaft packing wrenches for their inboard engine. 1-7/8 + 2" Shaft Packing Wrench Combo Pack: This combo pack includes two different sizes of shaft packing wrenches, making it a versatile tool for various boating needs. The first wrench has a 1-7/8 inch handle with a flat end and a round head to fit the stuffing box bolts. It is made of high-quality steel and can be used on most inboard engines. The second wrench has a 2-inch handle with a flat end and a round head, making it ideal for larger stuffing boxes or engines that require more torque to tighten the packing gland. This combo pack is an excellent choice for boaters who need both small and large shaft packing wrenches. 1-7/8" Shaft Packing Wrench for Inboards: This type of shaft packing wrench has a 1-7/8 inch handle with a flat end and a round head to fit the stuffing box bolts. It is made of durable steel, making it long-lasting and reliable. This wrench can be used on most inboard engines but may not work well for larger stuffing boxes or engines that require more torque to tighten the packing gland. 3-1/4 Shaft Packing Wrench for Hatteras Stuffing Box Packing Gland: This type of shaft packing wrench is specifically designed for use with Hatteras stuffing box packing glands. It has a 3-1/4 inch handle with a flat end and a round head to fit the stuffing box bolts. The wrench is made of high-quality steel, making it long-lasting and reliable. This wrench can be used on most Hatteras engines but may not work well for other types of inboard engines. 2-3/4" Shaft Packing Wrench for Cruiser Stuffing Boxes: This type of shaft packing wrench is specifically designed for use with cruiser stuffing boxes. It has a 2-3/4 inch handle with a flat end and a round head to fit the stuffing box bolts. The wrench is made of high-quality steel, making it long-lasting and reliable. This wrench can be used on most cruiser engines but may not work well for other types of inboard engines. Sterling Seal & Supply, SSS165LA.250x1-D Expanded Flexible Graphite Filled PTFE Braided Packing 1/4" Cross Section, 1' Cut Length 165LA-D.250": This product is not a shaft packing wrench but rather an expanded flexible graphite filled PTFE braided packing that can be used with most inboard engines. The packaging has a cross section of 1/4 inch and a cut length of one foot. It is made of high-quality materials, making it long-lasting and reliable. This product is an excellent choice for boaters who need to replace their old stuffing box packing or want to upgrade to a more durable and flexible option. In conclusion, choosing the right shaft packing wrench depends on your specific boating needs and the type of inboard engine you have. If you need multiple sizes of shaft packing wrenches for your inboard engine, then a set that includes 1-3/4 inch, 2-1/4 inch, and 3-1/4 inch handles with flat ends and round heads is an excellent choice. If you need both small and large shaft packing wrenches, then a combo pack that includes two different sizes of shaft packing wrenches is also an excellent option.