Lowe's has a Stripmaster 45-292 for 10-22 AWG which I assume must be the same unit, perhaps with a slight upgrade, to your 45-092, for $25
http://www.lowes.com/pd_34029-12704-45-292_0__?productId=3095867&Ntt=stripper&pl=1¤tURL=%2Fpl__0__s%3FNtt%3Dstripper