[Strong Stainless Steel Material]The emergency can opener is made of high quality stainless steel, which is sturdy and reliable, light and durable. Metal can opener is not easy to break, rust, fade, and can be used for a long time. [Size]the outer diameter of the key ring is about 1.1 inch. Please confirm the size details before purchasing. [You Will Get]Abundant quantity and style enough to meet your daily use and sharing needs. [Portable and Loss-proof Design]Don't worry about losing: there is a hole in each portable can opener, so you can hang it on a key ring or chain, and it 't be lost easily when you are travelling or going camping as it's small [Wide Application]Applicable occasions: these camping can opener tools are suitable for outdoor camping hunting and fishing trips, and you can take them with confidence because they are convenient and reusable Material: Stainless steel colour: Silver Package Contents: 4pcs x 38MM can openers 4pcs x 51mm can openers 4pcs x 57mm can openers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.