Features
	This is made from press molded and thermally treated stainless steel hollow plate. Lightweight and elastic balloon control ring makes possible a smooth movement of the lifting mechanism. It also makes null its transformation.Quenched material has an excellent abrasion-proof effect.

	Type
	１．Round type
	Inner diameter of the ring（Ｄ） Ｚ Twist type 42 44 45 46 47 48 49 50 51 52.5 54 S Twist type 42 44 45 46 47 48 49 52.5

	2.Triangular type
	Inner diameter of the ring (D) 44.5 46 47.6 49 51 52 55

Remark !
There are various types of fixing bracket depending on the machine types. Please let us know dimension data for its fixing at placing your order.