This listing is for one piece of metal lathe Steady Rest Heavy duty Roller Jaw 

Jaw diameter: 28.9 MM

Mounting shaft diameter: 18 MM

Surface: Black finish

Bearing width: 14 MM

Bearing model: 

Bearing diameter: 30 MM

Jaw total length: 54 MM

The jaw can fit many brands of lathes made in China. 

N.W. is 0.18 KG/PC. Gross weight is 0.25 KG.

This roller jaw is made for heavy duty metal working lathe use. We have smaller model roller jaw which can be used for middle duty working lathe. 

Have sales of this model in US mainly.