This Multi-Size Jar Opener is a simple, yet handy tool to help open jars & bottles. making it an ideal aid if you suffer from limited grip caused by arthritis.
 
It is simple to use, just place the item in the right size diameter ( 2.4cm, 3.3cm, 4.8cm, and 6.5cm), squeeze the multi-size jar opener on both sides, and then twist to release the jar or bottle lid.