The Warrior Digital Body Mass Caliper is the first caliper to calculate and display Lean Body Mass and Body Fat %. It displays last and current results for up to 4 users including: Weight; Body Fat %; Lean Body Mass; Upper, Middle, and Lower Measurements. The OrbiTape Body Mass Tape Measure lets users measure ANY body part: biceps, forearms, chest, waist, hips, calves, quads. 60 inches Fits All Body Shapes Anatomically Correct Lifetime Guarantee. Constant Tension Technology ensures that OrbiTape is the most accurate body tape measure by placing a slight tension on the tape, while retracting excess tape into its body.