The d-500-EEx/ASM, Z1 is the market standard for walk behind pallet stacking. The base-legs straddle the load which allow you to handle GMA pallets with ease. However the overall width of the straddle base-legs makes this truck relatively wide. The d-500-EEx/ASM, Z1 is ideal for attaching a drum clamp attachment. Adding this feature will allow you to handle drums, pallets, containers, totes, etc. The d-500-EEx/ASM, Z1 is the perfect truck to solve many of your explosion proof material handling needs.