Guitar Tool Kit, Guitar File with 3 Times Piezo Pickup2 Set Guitar Accessories: 1 Set x Guitar Tool Set and 1 Set x Guitar PickupFits: pickup suitable for many kinds of acoustic instruments, such as guitar, ukulele, mandolin, banjo, etc. Good sound: It is able to eliminate disturbing external sounds and is not affected by sound reflections from nearby objects. So it can transmit good sound quality. PATCH STICK Design: With 3 PICKUPS, the PATCH stick is very easy to install and can be stuck on the instrument to minimize damage to the instrument body. Guitar Tool Set: Hammer Fret - Durable tubular metal, ergonomic design, rubber wrapped grip, non-slip and comfortable to use. Sturdy and comfortable fingerboard mallet for stringed instruments (guitars, ukulele, mandolin, bass, etc.)Fret Hammer: Size: 25x6.2x2.3cm/9.8x2.4x0.9inFret File: Size: Submission Area is 4x3.2 inchFret Guitar Rocker:Size: 10.3x5.1cm/ 4x2inThickness: 2mm/ 0.08in4 Side Sizes: 4inch/10.3cm, 2.9inch/7.5cm, 2inch/5cm, 1.3inch/3.3cmGuard Fingerboard: Size: 3x0.8inch & 3x0.5inGrindstone: Size: 3.9x0.4x0.4inch/ 10x1.1x1.1cmColor: Silver, Orange, Black Material: Stainless Steel, Plastic Guitar Pickup: Condition: 100% Brand New Color: Black Material: Metal + ABS