●6210005001　The rear part of cover is made of steel.
　For 45VS・45VF only
　Made of steel

●6801010000　45MS Motor cover set
　Multi use for 45M series・45RW・45DAS
　Made of resin and steel

●6711010000　50FS Motor cover set
　For 50F series only
　Made of resin＆steel

●6027002000　Motor cover for 50D2
　For 50D2 pnly
　Made of resin

●0117003000　Gear cover for 60DN
　For 60FN only
　Made of steel

※The image above is made of resin and steel.