The Cescorf segmometer offers the advantages of the flexible segmometers and also of the rigid segmometers, also known as a knee height caliper. Its lightness allows portability without any hassle. Use a segmometer for knee height measurement, demi-span, and ulna length / forearm length measurement. It is useful tool for measuring height of bedridden patients, elderly persons, and persons in wheelchairs. Use instead of a knee height caliper. SPECIFICATIONS: Range: 3000mm; Units: metric; Width: 80mm; Weight: 142g / 300g with box; Precision 0.5 mm; Resolution: 1mm