b'KNOTT Couplings GROUPBRAKE AND TRAILER TECHNOLOGYZinc plated and clear coated finish2700kg load ratingEasy one handed operationLockable with key includedRubber coated nose area for scratch free mounting90mm36mmCODE DESCRIPTION90mm99584 1" Lever Coupling 2700kg lockable 4 Bolt 90mm x 36mm99586 50mm Lever Coupling 2700kg lockable 4 Bolt 90mm x 36mmTowballs 36mmTreadway the mark of quality. Quality finish in chrome and Zinc.Forged for extra strength. Heavy duty thread prevents stripping.Ball Size SHANKSHANK LOADCODE BALL SIZE DIAMETER LENGTH mm CAPACITY kg FINISH99510 50mm " 50 3500 Chrome99515 1"" 50 3500 Chrome99515Z 1"" 50 3500 Zinc99520 50mm " 45 2000 Chrome99530 50mm 1" 65 3500 Chrome99535 1" 1" 65 3500 ChromeShank Length99535Z 1" 1" 65 3500 Zinc99540 1" " 45 2000 ChromeShank 99545 1" " 45 2000 ZincDiameter 99540Z 1" " 65 2000 ChromeTREADWAY HIGH RISE TOWBALLCODE BALL SIZE SHANKSHANK LOAD FINISHDIAMETER LENGTH mm CAPACITY kg99504 50mm 1" 65 3500 Zinc 0800 653 246 treadway.co.nz97'