Description: Saxophone needle spring hook + saxophone sound hole repair tool + saxophone key cover adjusting tool + saxophone trimming tools Saxophone needle spring hook: Used for the disassembly and assembly of the needle spring, the maximum contactable needle spring diameter is 1.4mm or more, the minimum contactable needle spring diameter is 1.0mm or less Saxophone key cover adjusting tool: Adjust the position of the instrument key cover when the instrument key cover is misplaced Saxophone sound hole repair tool: The two ends of the tool are of different sizes, which can be selected according to the size of the needle spring Saxophone trimming tools: Check whether there is air leakage or fit between the leather pad and the key cover Specification: Material: steel The specific size of every tool is shown in the figure. Package Includes: 1 Piece saxophone needle spring hook 1 Piece saxophone sound hole repair tool 1 Piece saxophone key cover adjusting tool 3 Pieces saxophone trimming tools Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.