Super strong and extra long 13-mm hardened steel shackle resists cutting, prying and jacking

X2P double bolt locking mechanism locks shackle on both sides

Bump-proof Z-Cylinder resists picking, pulling and drilling

Double rubber coated crossbar cover protects paint

Extra thick molded end caps protects against bumps and hits

5 laser-cut keys (1 micro-light that project a bright white beam)

Snap lock quick release multi-position mounting bracket

Limited lifetime warranty