NEW ST-70 type Stainless Steel Punched Chassis. Same dimensions as original. Upgrade chassis has cut-outs in front for modern RCA jacks. These are spaced further apart for modern cables. Cut-outs in Back for Binding Posts instead of the original terminal strips make hooking up speaker wires a breeze. These also provide much better contact for the speaker wires. IEC Power Cord Socket Cut-Out on back. Original or repro st70 cages will fit, as on original. Nice stainless steel finish. Check out our custom made Transformers and Boards to build your amp, or you could rebuild your old ST70 on to this New, Improved Chassis. Comes with top and bottom pieces. 13.25" x 9.5" x 1.75" MADE IN USA. Dynaco Stereo 70 Upgrade Style Punched Chassis MADE IN USA st70chassisnew$179.95 Triode, USA Customer Service M-F 9AM-4PM CT 1-800-774-3201 Email us Anytime: questions@triodestore.com