The PCN 143052 strip heater is also known as model SSNHM-27 with these features: 120 volts, 800 watts, A=27.63 inches, B=26.88 inches, and D=26.13 inches. The overall width of the heaters is 1-1/8", and there are two #6-32 screw terminals located on one end of the heater. These type SSNHM strip heaters are 3/8" thick with a one piece Monel sheath enclosing the ceramic and internal heater coil. These bar heaters come standard WITHOUT mounting tabs. For an additional cost, two mounting tabs (one on each end) with slots measuring 5/16" by 1/2" can be ordered.