High security double curved steel pipe spear top metal fence US $74-90 / Set 50 Sets (Min. Order) Frame Finishing: Vinyl Clad Feature: Easily Assembled,Eco Friendly,Rodent Proof,Rot Proof,Waterproof Pressure Treated Wood Type: Heat Treated Place of Origin: Hebei,China (Mainland) Metal Type: Steel Brand Name: QYM Fence Web:http://www.wiremeshglobal.com/ Mesh and column connection with cup head square neck bolts, washers, can avoid the barrier artificially apart. The top of tube bending, Cutting Tapping tip is the biggest bright spot climbing preventing guardrail, useful to avoid climbing into them. It is welded by excellent steel pipe. Mainly used in residential areas, villas, industrial parks, parks and other public places.