Product details:

Expandable o-ring adapter with adjustable o-ring clips for master cylinders. Fits toyota and lexus master cylinders with diameter of 1. 65 - 1. 83 Inches. Expandable o-ring ensures a leak-free seal. 3 Tab cam locks 360 degree swivel typical automotive style air hose nipple expandable o-ring for a leak-free seal aluminum body color coded anodized for corrosion resistance brake fluid compatible rubber epdm o-ring expanding wing knob designed for pressure brake bleeders easy grip caps designed to work with automotive type quick coupler.