Extech 461990 Contact Wheels to measure surface speed of rotating objects and linear speed, (2 sets of 3 attachments [cone tip, flat tip, and spare wheel]). For Extech Contact Tachometer.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.