Package contents 16 tuning pin nails (size 4.10 X 0.50 X 0.50 cm; 1.61 X 0.20 X 0.20 in) 16 rivets 1 tuning wrench (size 10.40 X 3.00 X 0.60 cm; 4.09 X 1.18 X 0.24 in) Color: assorted Key features and benefits Complete replacement set: Includes all parts needed for tuning pin replacement and basic hardware repairs on lyre harps and similar zitherstyle instruments. Durable materials: Components are made from wood and metal to withstand regular use and provide long service life. Precise tuning and secure string fixing: Tuning pins and rivets work together to hold strings tightly and allow accurate pitch adjustments. Comfortable, polished wrench: The tuning wrench has a smooth, burr finish for comfortable handling and stable tuning action. Easy to install and maintain: Simple parts and straightforward installation make this set suitable for instrument owners, teachers, and technicians. Broad compatibility: Designed to match most lyre harps and zitherstyle instruments that use similarsized pins and pegs. Performance and workmanship Fine polishing and attention to detail produce a smooth surface and reliable mechanical fit. Tight tolerances on pins and rivets help maintain tuning stability and reduce slippage. The combination of wood and metal balances user comfort with mechanical strength. Use scenarios worn or damaged tuning pins on a student lyre after extended classroom use. Upgrade the hardware on a handcrafted lyre or zither to improve tuning reliability for rehearsal and performance. Carry as a compact kit for mobile tuners or gigging musicians who need quick onsite fixes. What you get A practical, readytouse tuning hardware set that supplies the common parts needed to keep lyre harps and similar instruments in tune and performing reliably.