X-acto X3243 (Heavy Duty Snap-Off Knife)

HEAVY DUTY SNAP-OFF BLADE UTILITY KNIFE; 7" LONG WITH 8-SECTION BLADE; AUTOMATIC LOCKING DEVICE AND METAL SAFETY SLEEVE TO KEEP BLADES SECURE; DESIGNED FOR COMFORTABLE ONE-HAND OPERATION; COMES COMPLETE WITH BUILT-IN BLADE SNAPPER; 2 EXTRA BLADES STORED IN HANDLE