The 36-teeth reversible ratchet system made of chrome vanadium steel is adopted in this multi pointed right angle combination screwdriver set, which can ensure the smooth rotation of the bidirectional ratchet and make more accurate adjustment than the 12-teeth one. Product Specifications: 1X Bit 1X 1/4" Mini Ratchet Wrench 36-teeth reversible ratchet system S2 steel (HRC 60°) Delicate Mechanism: The magnetic bit adaptor ensures that any 1/4" hex bit can be firmly secured for higher torque. The miniature pocket size close-quarters bit driver has magnetic like clip inside the hex bit holder help keep the inserted bit tight in position and no falling. This set performs well in confined locations on machines, cars, boats, plane, RV, etc, or for household or work with “tight fit” repairs, installations or renovations. Compact Portable: As a compact 4" length and 1" thick driver handle, this set can be uesd in even the tightest of spaces, especially in awkward places like U shape corner, lateral surface, etc. Traditional ratcheting screwdriver or stubby screwdriver might be too large or bulky to fit, but this set of product is rendering easy fastening and unfastening with sufficient torque. Safety Notice: These are mini ratchets and bits, so they're not intended for high torque applications. Blade must bottom in slot and tool must be held plumb. This is not a toy. Do not allow children to play with this item. Use as intended only. Do not use beyond noted specifications.