Features of Magnetic Stylus: Fixed hole distance for recording: 13 mm (measured from center to center of two holes). Four wiring marks indicated as R+, R-, L+, L-. Standard wire color coding for turntable connections: R+ = red, R- = green, L+ = white, L- = blue. Recommended tracking force range: 1.5g–2g, adjustable based on user preference. Features of Turntable Headshell (4 Pin Contacts): Compatible with phono turntable headshells and other turntables. Works with S-shaped or straight tonearms. Equipped with plated 4-pin contacts. Includes four color-coded OFC (oxygen-free copper) soft lead wires with gold-plated terminals for improved signal transmission. Each terminal is covered with a clear insulating sleeve. Model Number: Headshell Motor 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 of the item as shown in images. Measurement may vary by up to +/- 1-3 cm.