The self-tapping screws have high hardness, wide thread pitch, deep thread, and the surface is not smooth. The wood screws are reversed, and the other difference is more obvious. The rear section of the wood screws has no thread. Wood screws are fine, blunt and soft. Self-tapping screws are thick, sharp and hard.
Introduction
BMI(Body Mass Index) is a person's weight in kilograms divided by the square of height in meters.
In general, BMI is an inexpensive and easy-to-perform method of screening for weight category, for example underweight, normal or healthy weight, overweight, and obesity.
About Materials and Shape of Case
The BMI calculator is ABS case, PVC coated fiberglass tape.
BMI tape measure has several kinds of case shapes-round shape, heart shape, and drip shape. Today we will introduce this round and biggest one for you.
About Language Version of Wheel Plate
This is the most popular English version.
We have Spanish version and other language versions.
About Tape Sizes
The tape both sides with 150cm, one side for male and the other side for female.
To check your waist size, the tape marked with 3 colors zones (green for healthy, orange for over weight, red for over obese)
There are 2 widths for the tapelines: 13mm and 7.5mm
On the case, there is a wheel which can be rotate. Body height data in cm and inch marked on wheel, and weight data on the case, when we rotate the wheel, we can match the height and weight, then check the BMI arrow point to which section(there are 5 sections:underweight,healthy,overweight,obese and very obese)
For example, you are 160cm height and weight 55kgs, match them, then check the BMI arrow point to healthy.
BMI Categories
Less than 20: Underweight
From 20 to 25: HEALTHY
From 25 to 30: OVERWEIGHT
From 30 to 40: OBESE
More than 40: VERYOBESE
Spanish BMI Tape Measure,Medical BMI Measuring Tape,Body BMI Tape Measure
Wintape Measuring Tape Company , https://www.wintapetape.com