Stockmaster Step Thru is an all terrain, safe and easy to use mobile Step-Way Access Ladder
The Stockmaster Step-Thru is a mobile access ladder designed specifically to eliminate the risky habit of climbing up onto, or jumping down from, trucks, loading docks, containers and mezzanine floors. Instead of balancing on a step ladder or pulling yourself onto a surface, Step-Thru provides a stable stepping-off platform with handrails on both sides so users can maintain three points of contact at all times.}.
With two large wheels and a simple brake control, the Step-Thru moves easily over sealed and unsealed surfaces, indoors or outdoors. You can roll it straight to the job, lock it in place and step safely up to the next level without awkward climbing or unsafe shortcuts.
Why buyers choose the Step-Thru
Most workplace injuries around vehicles and mezzanines happen during the moment of transition like stepping up onto a tray, or jumping down to the ground. The Step-Thru is built to remove that risk. The wide platform and dual side rails give operators a secure, predictable way to step across, rather than climbing the side of a truck or using an unsuitable ladder.
It’s ideal for transport yards, warehouses, manufacturing plants and service workshops where staff need frequent access to:
- Truck trays and curtain-siders
- Aircraft access
- Shipping containers
- Mezzanine floors
- Raised plant and equipment
Step-Thru Ladder Key Features
- Stable stepping-off platform: Designed specifically for safe transfer between levels.
- Dual side safety rails: Maintains three points of contact at all times.
- All-terrain mobility: Moves easily over sealed or unsealed surfaces.
- Fast relocation: Roll to the job and lock in place.
- 150kg load rating: Industrial strength design.
- Indoor and outdoor use for all conditions
- Australian made with long service life
Step-Thru Model Sizes, Platform Heights & Service Height Range
| Model Code | Steps | Platform Height | Unit Weight | Service Height Range |
|---|---|---|---|---|
| SM-ST03 | 3 | 860mm | 23kg | 0.90m – 1.18m |
| SM-ST04 | 4 | 1145mm | 25kg | 1.18m – 1.47m |
| SM-ST05 | 5 | 1435mm | 27kg | 1.47m – 1.76m |
| SM-ST06 | 6 | 1720mm | 30kg | 1.76m – 2.04m |
| SM-ST07 | 7 | 2005mm | 33kg | 2.04m – 2.33m |
| SM-ST08 | 8 | 2295mm | 38kg | 2.33m – 2.62m |
| SM-ST09 | 9 | 2580mm | 40kg | 2.62m – 2.90m |
| SM-ST10 | 10 | 2865mm | 42kg | 2.90m – 3.15m |
Service height ranges are a guide only and depend on operator height and task conditions. The operating environment must also be known to confirm product suitability.
Note: (Danger) - never use a platform height that is higher than the floor level being accessed. When descending from the floor level, the stepping action onto the platform must always be a step down.

Stockmaster Step Thru Ladder Video
Safety & Compliance
- Australian Standard: AS 1892.1:2018
- USA Standard: ANSI-ASC A14.2-2007
- European Standard: EN 131 Parts 1 & 2
- Rated load: 150kg
Download The Stockmaster StepThru Brochure
Important Usage Note
Step-Thru is not designed for use against a wall. For wall-based access applications, see the Stockmaster Mezzalad range
