| YFL-A421UII/A421BII | ||
|---|---|---|
| Level | Professional | |
| Key | G | |
| Body Style | Type-1 | |
| Body Material | Gold brass | |
| Headjoint | Straight; Curved; Gold brass Sterling silver lip plate and riser | |
| Key Material | Nickel silver (posts and ribs) | |
| Footjoint | C | |
| Tone Holes | Drawn | |
| Key Types | Plateau | |
| Key System | Offset G | |
| Key Mechanism | N/A | |
| Spring Type | Blue Steel | |
| Screw Type | Tapered Pivot | |
| Options | Curved Headjoint (YFL-A421UII); Straight and Curved Headjoints (YFL-A421BII) | |
