In a 33 inch terrarium with 3 leopard geckos and a heat mat that covers half of it to create a gradient, would the 'Fluker's Ceramic Reptile Heat Emitter be suitable to make a basking spot on the hot side?

The 'Fluker's Ceramic Reptile Heat Emitter would be great for the basking side (designed for used with the 'Fluker's Repta-Clamp Lamp with Switch).
Bulbs available in 60watt, 100watt, and 150watt.