Sealey ratchetcam buckle tie downs sealey td0540s4 these ratchet tie down straps from sealey have been manufactured from polyester webbing with stitched reinforcement around hooks suitable for securing loads and tarpaulins onto flat beds or trailers and for general load restraint simple drum and ratchet mechanism tensions the webbing to provide superior load restraint sealey td0540s4 ratchet tie down 25mm x 4m poly webbing s hooks 500kg 2 pairs