Note: All data are measured manually, and there are certain errors in the measurement results. Specification: Item Type: Trident Screw Set_x000D_Product Material: Stainless Steel, Plastic_x000D_Screw Diameter: Approx. 4.0mm/0.16in_x000D_Applicable To: for TELEFUNKEN for ABE and Tap Recorders with Thread Diameter of 4.0mm Features: 1SUITABLE FOR: Trident screw set is generally used for TELEFUNKEN for ABE and tape recorder with thread diameter of 4.0mm. 2STAINLESS STEEL SCREW: Trident screw is made of stainless steel, rust proof, corrosion resistant, stable and durable. 3PLASTIC HOUSING: Screw sleeve with premium plastic housing, exquisite workmanship, beautiful appearance. 4EASY TO USE: The trident screw set is removable and professionally designed, just take out the product to quick and easy use. 5PACKAGE INCLUDES: The tape recorder trident screw set contains 2 screws, 2 screw sleeves, 2 springs, enough parts for convenient use. PackageList: 2 x Screws 2 x Screw Sleeve 2 x Spring