5m long tape measures tree diameters up to 1.6m. 10mm wide white enamelled steel tape. Double sided - diameter on one side, circumference on the other. Circumference and diameter graduations in cm/mm. Claw hook at end of tape for positive bark penetration. Tape start (zero) is approximately 12cm into the tape (ie, doesn’t start at the claw) - "A" start. Easy winding drum. Case size - 80mm diameter. Model 349D/5m. Made in Germany.