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Buckle structure key ring / key ring

Buckle structure key ring
Buckle structure key ring

It adopted the card buckle ring structure, both ends end set there is a card column and a hole, can be in the opposite direction to push card column card into the corresponding hole, formed the card with cooperation, to realize the seamless card between the two.Is very strong.And easy to use, with a break can open, set in the key, and then gently close can be closed very solid, ensure the key is not lost, need not very troublesome to pick to open the key card into the cracks in the ring, save time and effort.

University

Jiangnan University

Jiangnan University
WuXi, China

Design

Jiangnan University

Jiangnan University
WuXi, China

Zhang Xi