rc hex screw drivers allen wrench set titanium metric 1.5 2.0 2.5 3.0mm keys kit for rc car drone boat hobby models, 4-pack

hex keys are made of steel, titanium nitride coating, high strength & durable aluminum alloy knurled handle, anti-skid designed handle increases the friction with the palm for getting a good grip total length of single rc screwdriver tool: approx.180mm/5.9inch, handle length: 90mm/3.5inch, handle diameter: 18mm/0.7inch this rc car tool kit including 4pcs metric hex allen wrenches : 1.5mm 2.0mm 2.5mm 3.0mm used for disassemble hex screws in rc car, helicopter, boat, aircraft models, multi-axis drone, robots, etc. titanium alloy replaceable bit, the tips can be removed.syi