With Metal Axles pkg(100)
Walthers Part # 920-2304, p. 127 Walthers 2021 HO Scale Reference
HO scale, 

 
WalthersProto HO Scale 33" Turned Metal Wheelsets with Metal Axles are a fast and economical way to upgrade your equipment. These 100-packs of RP-25 wheelsets are great replacements for those used on most freight cars. 33" Turned Metal Wheelsets are part of the line of WalthersProto HO Scale trucks, wheels and couplers.

• High quality turned metal RP-25 wheels for improved performance
• Easy upgrade for most HO equipment
• Standard wheel size fits most freight and passenger equipment
• Fits steam, diesel and modern-era rolling stock
• Ultra-smooth rolling metal needlepoint axles
• Fully-assembled and ready to use
• Insulated on one side
• Converts up to 25 cars