Material:	iron, stainless steel
Gross  weight:	approx 21lb（9.5  kg）
Packing size:	approx 16.93” *10.63” *7.09” (43*27*18cm)
Suitable size:	approx 0.5”- 0.97”(12.7-24.7mm)

This Ring Tool Enlarger  and Reducer Machine can Change the size of the ring easily. It is easy to  understand and operate. Also, there is a layer of oil on the surface of machine,  that can prevent the rust.

1. When expand

Put the ring on the shaft,  there is a operating axis beside the shaft, let the operating axis  downward  slowly.

2. When narrow

Put the ring (only for smooth  ring) into the bottom of the round box, and then let the operating axis downward  slowly.

　

!!! Notice: the range of  enlarger and reducer is about half size, or it will damage the ring. 

1. Ring Tool Enlarger and Reducer Machine * 1

2. Little wrench * 4