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Material] 304 stainless steel， polished surface.

[Weight] (cage + pin + 1 snap ring + small brass locks) and weighs about 130 grams.

[Size] cage cage inner diameter 3.3cm， length 5cm (for JJ in soft case no longer than 5cm customers to use)

[Card] There are five kinds of size ring sizes available， namely: 3.8cm / 4.1cm / 4.4cm / 4.7cm / 5.0cm.

[Designed] to rely on the principle of the right collar， stuck in JJ root (behind Egg， close to the belly of the place)， and close to the ring and the cage between the distance to a fixed cage， locked after a small lock， causing JJ not easy to escape.

[Baby Description] international latest， high quality 304 stainless steel fine casting， surface polishing， a weight of about 130 g， knowledgeable pro all know， the metal can do this weight is not easy， smooth lines， thick metal texture， will let you put it down. Preferential prices， it is worth you have! Hollow cage design， permeability is very good for all-weather， long-term wear.

【Precautions】
1 minors please buy mistake!
2， each cage with a lock， each lock with three keys， please take good care of the keys. We can not have more keys.
3， Extra small， JJ in soft case， the length is less than 5cm， can choose this stainless steel cage. Length greater than 5cm， please do not buy， oh， not the band!
4， measure the circumference of the root of good JJ calculated diameter， select the appropriate card ring. (Formula: circumference = 3.14 * diameter， junior high school textbooks have learned oh!)

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