Graph Tech - TUSQ XL Slotted Guitar Nut - Left Handed - 3/16" Black - PT-6060-L0 Play aggressive, shred or bend strings without worry! Lightweight & Highly rigid material for optimum vibration transfer. Length: 1-3/4 (43.99mm) Width: 1/4 (6.14mm) Height: 3/8 (9.19mm) - E to E Spacing: 1-3/8 (34.70mm) - Model: PT-6060-L0