4-in-1 manual can opener: The multi-function can opener can be used as a can opener, bottle opener, beer bottle opener and lever. Except for rectangular or irregular jars, almost all jars and bottles can be opened. Durable and portable: Food-grade stainless steel is durable and rust-proof. 4-in-1 manual can opener blade is made of high-strength alloy material, which is very durable and wear-resistant, will not rust or break, and is durable. It is light and portable,suitable for outdoor occasions such as camping, picnic, traveling and barbecue. The operation is simple and clean: lock the can opener on the can, turn the knob clockwise, and finally remove the lid to complete. Just place the manual can opener under running water, wipe it with a cloth and keep it in a dry place to extend its servicelife. Note: The removed cover is very sharp. Easy and ergonomic design: non-slip handle with sturdy large knob, easy to turn, will not hurt your fingers-comfortably fits your palm, allowing children, women and the elderly to safely cut cans. The perfect assistive device, suitable for people whodo not have enough grip or hands strength, especially the elderly with arthritis. Will not contaminate the food: The sharp blade cuts off the lid and will not leave any metal chips in the food. Professional design, with knife-like teeth on the wheel, tight grip, and no serrated edge of the opening, which can easily pierce and openall types of can lids.