Durable polyester webbing and heavy duty double locking steel ratchet reinforcement stitching around j hooks and ratchet attachment for long service life secures cars on trailers and vans using heavy duty ratchet tie down and sliding wheel choker strap the double locking ratchet ensures there is no risk of disengagement or loss of tension during use until the handle is released soft 320mm wheel choker straps with anti scratch belt loops for vehicles with alloy wheels set for 1 wheel includes 3m