New technology aircraft grade stainless steel 2.4mm cable strongest retractable cable + vinyl coated cable to prevent scratching buggy * Over four" long cable extended cable lengh to loop through one or two wheels or lock your buggy to any stationary object * 3 digit resettable combination dial perfect so you don"t have to worry about losing any keys * Universal attachment fits all strollers and keeps lock tucked out of the way until you"re ready to use it, also doesn"t interfere with collapsing the stroller * Push button retraction for easy coiling no more thick cables impossible to weave through objects and recoil back into shape