Black Knight eyeguards are the official eyeguards of many sports associations, including OFSAA Badminton (the Ontario Federation of School Athletic Associations), Badminton Ontario and Squash Ontario.

The Stiletto SK eyeguards have a Black/Silver colouring and are available the regular & junior size.

The Stiletto eyeguards feature:
- Scratch resistant lens of high impact polycarbonate
- Optically correct lenses with no distortion
- Bayonet temple arms for a secure, comfortable fit
- Anti-fog coating and flow through ventilation to eliminate fogging

The Stiletto models meet the ASTM safety standard F803-03 for the racquet sports (squash, badminton, tennis, racquetball, paddleball).