Features: Comprehensive Tester kit to bleed brake, flush and refill brake oil Simple one-man operation no need for treading the brake pedal over and again With four models of adaptors included Works with a standard workshop air supply of approx. 75-120 PSI Brake fluid bleeder works with your air compressor to quickly assist in your brake bleeding! Flush and refill the entire brake system by yourself with this brake fluid bleeder. Comes with: 34 oz Waster Brake Fluid Tank 24 oz New Fluid for tank that inserts into your master cylinder with 4 different provided adapters Size(s) 25/32 in. to 1-7/32 in. diameter (21 To 30mm), 31/32 in. to 1-1/4 in. diameter (24 To 32mm), 1-3/32 in. to 1-15/32 in. (28 To 37mm), 1-1/4 in. to 1-19/32 in. (32 To 41mm) Air requirement: 90 to 120 PSI, Air inlet: 1/4''- 18 NP Bleeds hydraulic brakes quick and effectively Package Includes: 2 Fluid tank 4 Adapters