001 main stone oval [4 × 6]] 001 main stone oval [5 × 7]] 001 main stone oval [6 × 8]] 001 main stone oval [7 × 9]] 001 main stone oval [8 × 10]] 001 main stone oval [9 × 11]] 001 main stone oval [10 × 12]] 002 main stone oval [10 × 12]] 003 main stone oval [8 × 10]] 004 main stone oval [5 by 7]] 004 main stone oval [6 × 8]] 004 main stone oval [7 × 9]] 005 main stone oval [4 × 6]] 005 main stone oval [5 × 7]] 005 main stone oval [6 × 8]] 005 main stone oval [8 × 10]] 005 main stone oval [9 × 11]] 006 main stone oval [4 × 6]] 006 main stone oval [5 by 7]] 006 main stone oval [6 × 8]] 006 main stone oval [7 × 9]] 006 main stone oval [8 × 10]] 006 main stone oval [9 × 11]]

adjustable opening