Assess whether a product complies with sharp points require. The device has a slot with 0.04 inches width and  0.045 inches long rectangular opening, the two reference sizes sharp cusp are inserted into the sensor head (the depth of 0.015 inches). And overcome the spring of 0.5 pound elastic to cause the sensor head to move 0.005 inches again.
Requirements: slot opening: ≤ 0.040 × 0.045 inches ;

Touched depth:≥0.015 inches;

Force:≤one pounds.

Standards: 16 CFR 1500.48   ASTM F 963 4.8  EN-71 1998 8.12