FIT FOR 2 212 TOW RECEIVERS CZC AUTO dogbone style trailer hitch receiver lock uses 58 pin with 312 effective length perfect for Class IIIIV 2, 212 hitch receiver tubes. PREMIUM MATERIAL The trailer receiver lock uses black electrophoretic painted carbon steel, solid and hard to bend. 360 degree rotating head, easy to handle. Allweather rubber key slot cap keeps the keyhole away from moisture, dust and rust. Updated tubular key hole, zinc alloy lock core. FITMENT TYPE Use a tow receiver lock to ensure the towing safety. CZC AUTO hitch pin lock is compatible with hitch rack, cargo hitch tray, bike rack, hitch ball and tow rope, perfect for 2 and 212 receivers on trailer truck RV car boat. CLIENT SUPPORT 30day moneyback for any reason, 12month warranty for qualityrelated issues. Please feel free to contact us at first if there is any problem when you receive or use our products. We are always here to support you.