PRODUCT OVERVIEW REESE TOWPOWER InterLock ball mounts feature a specialized OEM coating for great rust resistance and have a patented hex design which allows for a one-wrench tightening when combined with a REESE InterLock hitch ball. It makes for installing and removing the hitch ball more efficient and prevents marring. Description du français: BARRE ATTELAGE LEVEE 2 PO DESCENTE 5-1/4 PO Descripción español: BARRA DE TRACCION ELEVACION 5,08?CM CAIDA 13,34?CM Product Details Finish:Powder-Coated Height:3.0 Length:10 in Locking Type:Interlock Material:Steel Maximum Drop Size:5-1/4 in Maximum Rise Size:4 in Suitable for:2 in Square Receiver Opening Weight Capacity:500 to 5000 lb Width:7.5 in Features Interlock one wrench tightening system