REVERSIBLE RATCHET MECHANISM: The 36-tooth reversible ratchet system is made of alloy steel to ensure smooth bi-directional ratcheting and precise adjustment; with a single touch, the clockwise and counterclockwise rotation of the screwdriver can be converted to from tightening to loosening the screw Switch quickly. PARTICULARLY SUITABLE FOR TIGHT SPACES: The MINI ratchet wrench features a unique right-angle design for smooth tightening or loosening of screws even in tight spaces. PREMIUM MATERIAL: The magnetic right angle screwdriver is made of high quality steel, which is durable, rust-proof and has a long service life. COMPACT AND PORTABLE: 4.5" (110mm) mini ratchet screwdriver for use in tight spaces. WIDE RANGE OF APPLICATIONS: Mini ratchet screwdrivers almost cover the needs of most household appliances, cars, houses, machines and other equipment.