Dental Handiece 1:5 increaser contra angle with internal irrigation & fiber optics, excellent for all high speed general dental applications and sectioning teeth! 1:5 increaser contra angle with internal irrigation. With water flow of up to 80 ml/min, the integrated spray allows efficient cooling of the bur, tooth and the contra angle itself, reducing risks of overheating and avoiding excessive wear and tear to the gear systems. Shipping Weight: 1.00 pound