Makita 6-1/2" Plunge Circular Saw, with Stackable Tool Case with bonus 55" Guide Rail & Premium Padded Guide Rail Bag for 39" SP6000J-194E051 - The Home Depot
Makita DSP600ZJ 18V LXT 2 x 18v (36V) Brushless Cordless Plunge Saw - Body Only With MakPac Case & Rail Kit, at D&M Tools
Makita GPS01M1J 40V Max XGT Cordless 6-1/2 in. Plunge Circular Saw Kit (4.0Ah) with 39 in. Guide Rail | Tools Plus