projecting wings or arms 50 and 52 with fastener openings 54 and 56 respectively for attachment of the bracket 20 to the inside face of a car top carrier cover or platform as the case may be the cylinder 36 includes an annular surface or land 58 that acts as a sealing surface for the cylinder 36 and for attachment of the bracket to a cover or platform as the case may be thus as depicted in fig6 the bracket 20 may be attached to a housing 60 to position the cylinder 36 including a forward section 62 an annular seal 58 and a rear enlarged diameter section 64 with respect thereto the wings or arms 50 and 52 include fasteners not shown for attachment of the lock to the housing platform or cover 60 as the case may be when attached as described the latch bars 22 and 24 project or extend or pivot laterally from the sides of bracket 20 and are designed to engage with a strike 70 as illustrated in fig1 wherein the strike 70 includes a strike opening 72 having opposite sides 74 and 76 the latch bars 22 24 are normally biased by springs 26 28 to the position illustrated in fig2 when the plug stud 40 is rotated so that the stud 40 will not engage against inside cam surfaces 23 and 25 of the latch bars 22 and 24 respectively thus the springs 26 and 28 will bias the latch bars 22 and 24 to the position shown in fig2 the latch bars 22 24 may.