The K3BB-4 manual knockout set is designed for 4" (4.54" or 115.4 mm) conduit applications. This set features laser markings for quick part identification and alignment markings to ensure improved accuracy during the installation process. The punch and die components are manufactured in the USA, ensuring quality and reliability.

This manual knockout set is intended for use with a compatible manual tool, providing users with a convenient and efficient solution for creating openings in electrical enclosures or panels to accommodate the 4" conduit. The use of a manual tool allows for greater control and precision during the knockout process, making it an ideal choice for professionals and DIY users alike.

The K3BB-4 manual knockout set is a direct replacement for the previously available 742BB model, offering a similar functionality and performance. By replacing the outdated 742BB with the K3BB-4, users can benefit from the latest advancements in design and manufacturing, ensuring a more reliable and user-friendly experience.

One of the key features of the K3BB-4 is the laser markings, which provide quick and easy identification of the various components within the set. This feature helps to streamline the installation process, reducing the risk of confusion or errors during use. Additionally, the alignment markings on the set further enhance the accuracy of the knockout process, ensuring that the openings created are precisely matched to the conduit size.

The use of a manual tool with the K3BB-4 set allows users to have greater control over the knockout process, enabling them to apply the necessary force and precision required for a clean and efficient result. This hands-on approach can be particularly beneficial in situations where access or space is limited, as the manual tool can be easily maneuvered and positioned to suit the specific installation requirements.

The fact that the punch and die components of the K3BB-4 set are manufactured in the USA is a testament to the quality and reliability of the product. By sourcing these critical components from a domestic manufacturer, the manufacturer of the K3BB-4 set can ensure that the set meets the highest standards of workmanship and performance, providing users with confidence in the durability and long-term functionality of the product.

Overall, the K3BB-4 manual knockout set is a versatile and efficient solution for creating openings in electrical enclosures or panels to accommodate 4" conduit. With its laser markings, alignment markings, and compatibility with manual tools, the K3BB-4 set offers a user-friendly and reliable experience for professionals and DIY users alike.

product information:

Attribute	Value
material	For use in mild steel, brass, copper, aluminum, fiberglass and plastics
brand	Greenlee
item_weight	11.45 pounds
operation_mode	Manual
sheet_count	12
upc	783310087694
global_trade_identification_number	00783310087694
manufacturer	Greenlee
part_number	K3BB-4
product_dimensions	8 x 8 x 8 inches
item_model_number	K3BB-4
is_discontinued_by_manufacturer	No
size	4" Conduit (4.54" or 115.4 mm)
shape	Round
power_source	Corded-electric
item_package_quantity	1
included_components	4" Standard Round punch, 4" die, 1-1/8" manual draw stud
batteries_included	No
batteries_required	No
warranty_description	Limited Lifetime
best_sellers_rank	#1,269,671 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #398 in Knockout Punches
date_first_available	September 20, 2019