EFEL Plus 3/4-4/4 High High or Low? The Plus series represents our elite performance line, featuring an asymmetrical extension for players who require a more secure, stable fit.Key Features: Asymmetrical Stability: One side extended by 20mm to provide enhanced leverage and a secure fit on the shoulder. Versatile Height Range: Fully adjustable from 30mm to 70mm. Laser-Engraved Traction: Precision-cut grooves ensure the support stays exactly where you place it. Anatomical Customization: Flexible wire frame allows for infinite micro-adjustments to your posture. Weightless Performance: At only 44g, it allows your instrument to vibrate freely without the bulk of traditional rests. Audience: Ideal for conservatory students, advanced players, and professionals. Artisan Quality: Handcrafted with precision in the Czech Republic. Specifications: Instrument: Violin (3/4 - 4/4) Weight: 44g (approx. 1.55 oz) Materials: Tempered spring steel, premium EVA foam, non-slip rubber grip cylinders.