SMF for DIYStompboxes.com!
Which one did you order John?
This one has jacks for leads to test components in circuit: http://www.ebay.com/itm/Transistor-Tester-Capacitor-ESR-Inductance-Resistor-LC-Meter-NPN-PNP-Mosfet/181161606431?_trksid=p2047675.c100005.m1851&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D23928%26meid%3D8465191503775906631%26pid%3D100005%26prg%3D10200%26rk%3D2%26rkt%3D6%26sd%3D201087634115&rt=ncAnd it's cheaper!
but I find for quick checking componants before use in a circuit its really handy.