Features: Made of high quality stainless steel, comfortable and durable, have a long service life. Precise screw components allow it can be connected on watch band conveniently and securely. 2PCS screwdrivers make convenience for the installation and removal. Repair Kit only, other accessories demo in the picture are not included! Specification: size: for T Rex /for T Rex Pro（Universal）:Screw rod length 27.5mm + rod diameter 1.7mm for T Rex 2 :Screw rod length 28.9mm + rod diameter 1.8mm... Material: Stainless Steel Type: Accessories Color: Black/silvery Quantity: 1 Set Note: 1.No retail package. 2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 2 Pcs x Screwdrivers 2 Pcs x Screws