Features: Easy to hold in hand and rotate,very strong and durable ,ergonomic handle, non-slip design, and increase the delicate for touch of the screwdriver. Made of chrome vanadium alloy steel, high hardness, durable and not deform easily. Precise and accurate to fit and remove your Ring screws with no hassle and strip. The doorbell screwdriver tool can be used to remove the ring doorbell for battery replacement, charging and replacement, as Well as Wifi Password Reset Access. Ergonomic grip for repeated use,convenient to hold in hand and rotate,durable for long for time use. This Ring doorbell screwdriver is magnet ic which helpful to handle tiny screws. Specifications: Material: for Cr-v Steel Whole length: approx 11.6cm/4.6in 2pcs/4pcs(optional) Package Includes: 2x Doorbell Screwdriver Set or 4x Doorbell Screwdriver Set note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.