Master Lock 377 Trailer Coupler Lock (Pack of 4) hide_quantity_breaks 7/16in (11mm) diameter brass grommet

7/16in (11mm) diameter brass grommet accepts all safety padlocks

Can be used on all brands of car covers

Internal Dimensions: 3-1/2in (89mm) H x 2-1/4in (57mm) W x 1in (25mm) D

flexible multi-stranded 21ft steel cable insulated with a clear plastic coating

with vintage stamped key & complementary keychain

Master Lock 377 Trailer Coupler Lock (Pack of 4) hide_quantity_breaks 7/16in (11mm) diameter brass grommetPack of 4 The Master Lock No. 377KA features a trailer coupler lock, designed to fit 1 7 8in (48mm), 2in (51mm) and most 2 5 16in (59mm) trailer couplers. The advanced locking mechanism provides resistance to picking and prying. The Limited Lifetime Warranty provides peace of mind from a brand you can trust. Fits 1 7 8in (48mm), 2in (51mm) and most 2 5 16in (59mm) trailer couplers Advance locking mechanism resists picking and prying Easy to install