Key Features: Offering excellent power, water spray and completely suitable connected to existing air driven Handpiece tubingNo extra control boxes or foot controls are necessaryDirect connecting to Borden Type 2 hole (B2) and Midwest Type 4 hole (M4) Handpiece tubingDelivery with 1 tip wrench tool and 3 standard Scaler tips (Universal type, Sickle type, and Perio type)Washable (Thermal Disinfector)Sterilized to 135centigrade(270) maxRecommended air pressure: 2.5-3.0 kg/ cm; (32 psi-42 psi)ORDER CODE: AS-B2- FOR BORDEN-2 HOLEAS-M4- FOR MIDWEST-4 HOLEWe are Welcome to any OEM Orders. Trademark: Jindell Model NO.: AS-B2, AS-M4 Company: Jindell Dental Instruments Company