Boulder Bag 104L-GR Electrician Comfort Combo w/Metal Buckle Belt Size Large 36" to 40" .Color Green. Made in U.S.A. Electrician Belt Comfort Combo w/ Metal Buckle - Large: 36 - 40" Black The 'Electrician' line of belts have been specifically designed for the professional electrician. Boulder Bags are designed for the professional. Boulder Bags have the features, the quality, the choice, the colors, and the fit! Tape Clip. 7-Pocket Pouch. Hammer Holder. Electrician Tool Pouch. Comfort Belt w/ MB.