Asymmetrical shape with one side conical and the other side straight "lock-in" cut. Made for locking in on coping and rails. A 53mm Lock-In has a width of 32.5mm and a riding surface of 21.5mm.
Transworld Skateboarding on MSN3mon
How To Choose the Right Size Skateboard
choosing the right size skateboard can be sort of overwhelming. Just like all the different trucks, wheels and accessories, ...