The Crosby Group McKissick 421 Snatch Block w/ Shackle

6″ Sheave – 12 Ton Working Load Limit



Item Number: 169481

Sheave Diameter: 6″

Bearing code: BB

Wire Rope Size: 3/8 – 7/8″

Working Load Limit (t): 12

Weight Each (lbs.): 48


Hooks and side plates are forged alloy steel and heat treated.

Shackles and yokes are forged and heat treated steel.

All parts are forged.

Side plates are designed to eliminate possibility of rope jamming.

Opening feature permits insertion of rope while block is suspended from gin-pole.

Pressure lube fittings.

Hook and shackle assemblies can be interchanged.

Blocks furnished with dual rated wireline sheaves.

Fatigue rated.

All sizes are RFID EQUIPPED.

Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these blocks meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.


McKissick is an ISO 9001 certified facility. That, in addition to being an API Q1 producer, reinforces McKissick’s, as well as The Crosby Group’s commitment to quality.

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