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Two swivel castor wheels with threaded mounting stems

Replacement Castors: Wheel Diameter, Mounting P...

Replacement castors need to match the mounting, load and floor conditions. Wheel diameter alone does not establish whether a castor will fit or support the equipment.

Replacement Castors: Wheel Diameter, Mounting P...

Replacement castors need to match the mounting, load and floor conditions. Wheel diameter alone does not establish whether a castor will fit or support the equipment.

Black submersible water pump with outlet fitting

Pump Replacement Checklist: Liquid, Head, Flow ...

Replacing a pump requires the application and operating conditions, not just the old pump's wattage. Record the liquid, required flow, head and connections before comparing replacements.

Pump Replacement Checklist: Liquid, Head, Flow ...

Replacing a pump requires the application and operating conditions, not just the old pump's wattage. Record the liquid, required flow, head and connections before comparing replacements.

Green laser level mounted on a tripod

Measuring Tools: Choose the Range, Units and Ac...

Measuring tools should be selected by range, accuracy and the measurement required. A display with many decimal places does not necessarily measure accurately to all those places.

Measuring Tools: Choose the Range, Units and Ac...

Measuring tools should be selected by range, accuracy and the measurement required. A display with many decimal places does not necessarily measure accurately to all those places.

Portable generator inside a tubular metal frame

Generator Buying Checklist: Continuous Output, ...

A generator must supply the required load and operate in a safe outdoor location. Continuous output and short starting-load capability are different figures and must be compared with the connected...

Generator Buying Checklist: Continuous Output, ...

A generator must supply the required load and operate in a safe outdoor location. Continuous output and short starting-load capability are different figures and must be compared with the connected...

Folding stepladder with an orange top handle

Ladder and Work Platform Selection: Height, Loa...

A ladder or work platform should be selected for the task, support surface and permitted working position. Product height is not the same as a safe working or access height.

Ladder and Work Platform Selection: Height, Loa...

A ladder or work platform should be selected for the task, support surface and permitted working position. Product height is not the same as a safe working or access height.

Compact air compressor with a carrying handle and hose fitting

Air Compressor Sizing: Air Delivery, Pressure a...

An air compressor's tank size, pressure and air delivery describe different capabilities. Match the air tool's required flow at its operating pressure before choosing a large tank.

Air Compressor Sizing: Air Delivery, Pressure a...

An air compressor's tank size, pressure and air delivery describe different capabilities. Match the air tool's required flow at its operating pressure before choosing a large tank.