Features: Magnetic suction storage and press type magazine design, with magnetic suction screwdriver bits inside the magazine for easy access and use Pairedwith an extension rod, combined with an extension. More convenient for deep hole operation Multifunctional ratchet screwdriver, freely adjustable, suitable for more occasions The diameter of the ratchet wheel is reduced to 22mm, with 60 teeth, allowing for precise adjustment of more small angles The maximumtorque value is 30Nm, which is more suitable for hightorque fastener operations Suitable for various occasions/high-quality alloy steel screwdriver heads Specifications: Material：CRV Combination Length approx 128mm/ 5.04in Extension Rod Length approx 60mm/2.36in Type: 9 in 1 / 37 in 1 9 in 1 Includes: 8Pcs Magnetic Bits+ 1pc Extension Rod 37 in 1 Includes: 29Pcs Magnetic Bits + 7 Sleeves +1pc Extension Rod Size: As Pictures Package Includes: 9 in 1 / 37 in 1 Ratchet Screwdriver Set note: Due to the problems of lighting effects and shooting angle, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.