The Crosby Straightpoint WLS3.25T Wireless Loadshackle – 3-1/4 Ton is part of the Crosby shackle range. Sealinkers supplies it from Mumbai with documentation on request.
Crosby Straightpoint Wireless Loadshackles – RF Model for Long-Range Wireless Load Monitoring
The Crosby Straightpoint Wireless Loadshackle (WLS) provides a robust, compact solution for load monitoring where headroom is limited or lifts are extreme. Built with premium Crosby G2130, G2140, and S2135 shackles, it offers exceptional strength, accuracy, and durability. Capacities from 3.25t to 400t (7,150 lb to 880,000 lb) are available from stock, with larger sizes up to 3,000t on request.
There are three versions of the WLS available, with most customers choosing the RF model paired with a handheld for convenience and portability:
This Model (RF 2.4 GHz): Long-range wireless (up to 1000 m / 3280 ft) to either the SW-HHP handheld display (most popular choice for portability) or Straightpoint’s Insight computer software.
The handheld is sold separately and strongly recommended for most users. Special Order Models: Bluetooth model – Connects directly to any iOS or Android smartphone using SP’s free HHP App. Range up to 100 m (328 ft).
ATEX/IECEx model – For hazardous areas (zones 0, 1 & 2) with wireless range up to 500 m (1640 ft) to the SW-HHP-ATEX handheld. Key Features (RF Model Only): Wireless Range: Up to 1000 m (3280 ft) via 2.4 GHz RF
Flexible Viewing Options: Compatible with SW-HHP handheld or Insight PC software
Compact & Durable: Aerospace-grade aluminum enclosure, IP67 / NEMA6 environmental sealing
Load-Centering Bobbin: Included for accurate readings and proper shackle alignment
Battery Life: Up to 1,200 hours continuous operation (4 x AA alkaline)
Accuracy: ±1% full scale
Compliance: ASME B30.26 Specifications (RF Model Only): Capacity Range: 3.25t to 400t (7,150 lb to 880,000 lb)
Material: Aerospace-grade aluminum electronics enclosure with Crosby shackle body
Wireless: RF 2.4 GHz, 1000 m range
Environmental Protection: IP67 / NEMA6
Operating Temperature: –10°C to +50°C (14°F to 122°F)
Battery: 4 x AA alkaline; up to 1,200 hours operation.
Prices, stock and lead times are quoted on request. Use the quote form or WhatsApp on this page, and ask for test certificates with your enquiry.



