Jarvis Stunner Testers Models AST 107-113 Fast and Accurate Stun Testing Equipment! Data logs accurate Jarvis model USSS Stunner testing, including: firing speed, expected velocity, and test pressure. We Offer Free Service and Training Control Panel and Tester Detachable Nose Guides! 1058292 Nose Guide USSS-21 1058293 Nose Guide USSS-1 1058298 Nose Guide USSS-3 1058295 Nose Guide USSS-2A 1058296 Nose Guide USSS-1/2 1058299 Nose Guide USSS-22A for 60mm 1058297 Nose Guide USSS-22A for 54mm World Leader in Meat Processing Equipment View these tools on our website Jarvis Products Corporation 33 Anderson Road, Middletown, CT 06457 Tel: (860) 347-7271 Fax: (860) 347-9905 E-mail: sales@jarvisproducts.com Website: www.jarvisproducts.com New !http://www.jarvisproducts.com