This awesome kit of allen head socket hex screws with the most common hexagon socket screw - all in a high quality plastic case. It contains the following sizes: M3x0.5(3mm), M3x0.5(3mm), M3x0.5(6m), M4x0.7(4mm), M4x0.7(6mm), M5x0.8(5mm), M5x0.8(8mm), M6x1(6mm), M6x1(10mm), M8x1.25(8mm), each size 20 pieces. Features: 200PCS kit includes the allen head socket hex set screw assortment. Work greatly to fix and tighten the screws. Widely used for equipment, home improvement, car and other accessories connection. 100% brand new and high quality stainless steel screws. Packaged and assorted in a plastic case, convenient and easy for use & storage. Specifications: Color: Silver Material: Stainless Steel Quantity: 200PCS Application: Equipment, Home Improvement, Car and other Accessories Connection Type: Hexagon Socket Screw Quantity * Thread x Pitch (Length): 20PCS * M3x0.5 (3mm) 20PCS * M3x0.5 (4mm) 20PCS * M3x0.5 (6m) 20PCS * M4x0.7 (4mm) 20PCS * M4x0.7 (6mm) 20PCS * M5x0.8 (5mm) 20PCS * M5x0.8 (8mm) 20PCS * M6x1 (6mm) 20PCS * M6x1 (10mm) 20PCS * M8x1.25 (8mm) Size of the Storage Box: 128 * 65 * 22mm / 5.04 * 2.56 * 0.87" Package Weight: 147g / 5.19oz Package Size: 12.8 * 6.5 * 2.2cm / 5.04 * 2.56 * 0.87in Package List: 200 * Hex Set Screw Assortment Kit 1 * Storage Box