FIG. 1 is a front, top and left side perspective view of an insert for padlocks showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The broken lines environment is for illustrative purpose only and forms no part of the claimed design. References used herein as front, rear, left, right, top and bottom of the claimed design are not meant for any particular in-use orientation and may be changed for different orientation of the insert as chosen by the user.