This is L-style!
The rip-point is just like you have been completed.

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These screws will not loose!
Currently a Japanese patent has been able to produce a great thread standard, which can be used with most of the female side of the screw.
This technology makes it a great addition to any safety safety level such as planes, cars, trains, spaceships, and more!
L-style representative Akasawa Jinta

Screws that will not loosen
Absolute Hardness
Compatible with a variety of boards

Set Contents: 30 pieces

(From Amazon.co.jp)

From the Manufacturer

LIP Series Premium Lip Point that wont bounce or loosen

Dots resist bouncing on any board and patented screws ensure that they dont loosen over the error of the product.

1) Screw that will not loosen

2) Absolute Hardness

3) Suitable for various boards

■Specifications:

Total Length: 0.9 inches (24.52 mm) (not including 0.21 inch (5.48 mm) screw thread).

Weight: 0.01 oz (0.29 g).

Maximum Diameter: 0.2 inches (5.28 mm)

Product package (30 pieces)	Tip screw	Tip Tip