Features: 5pcs in total, outer diameters 20/25.4/30mm, meeting your different demands.
Produced of steel, Not -Rusts and strong, can last for long for time.
Can be used in combination with rotary tool for cutting metal, plastic, etc.
Used for Cut for different angle grinder.
Precisions enlarged for maximums safety. Allows edges to be used on different tool as need.

Specifications: Material： Steel
Outer Diameters: 20/25.4/30mm
Inner Diameters: 16/20/25.4mm
30 to 16 with 1.4mm thickness, 30 to 20 with 1.4mm thickness, 30 to 25.4 with 1.3mm thickness, 20 to 16 with 1.2mm thickness, 25.4 to 20 with 1.3mm thickness

Package Includes: 5pcs Cut Reducting Rings.

note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid.
Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.