The Crab System is automatic locking
The principle of the Crab system is a self – locking
pivoting wedge-key that engages with a stirrup.
As soon as a horizontal member is placed on a stirrup,
the wedge automatically swivels.
Nikken AES Scaffolding (Thailand) Co., Ltd.
100/15 Vongvanij Building, 12Ath Floor, Rama 9 Road, Huaykwang, Bangkok 10310, Thailand
Tel: 0-2645-1100-2
Fax: 0-2645-1103
Email: info@nikkenaes.com