Flashing Pin (With Magnet)

Features:
1) when the turnbuckle is screwed up the product begins to sparkle
With a blue light
2) stops flashing when the screw is loosened
3) can be attached to clothes using a strong magnet
4) logos can be printed on the product
5) shaped can be changed according to customers' requirements

Features:
1) when the turnbuckle is screwed up the product begins to sparkle
With a blue light
2)