Features of Magnetic Stylus: Fixed hole distance for recording: 13 mm (measuring center distance of two holes). Four wiring marks for the cartridge: R+, R-, L-, L-. Standard wiring color for turntables: R+ = red, R- = green, L+ = white, L- = blue. Recommended tracking force range: 1.5g–2g, adjustable based on personal preference. Features of Turntable Headshell (4 Pin Contacts): Compatible with phono turntable headshells and other turntables. Fits both S-shaped and straight tonearms. Plated 4-pin contacts. Includes four color-coded OFC (oxygen-free copper) soft lead wires with gold-plated terminals for improved sound quality. Each terminal is covered with a clear insulating sleeve. Model Number: Headshell Motor: For turntable Speeds: 33, 45, 78 RPM Stylus Type: Magnetic Stylus Color: Black Material: Metal + Plastic Package Contents: 1 x Magnetic Stylus with LP Vinyl Needle 1 x Replacement Phono Turntable Headshell Note: The package includes only the items listed above. Other products are not included. Lighting and display settings may cause slight variations in the color shown in the image compared to the actual item. Measurement may vary by +/- 1–3 cm.