Quick Lock Design: Built-in T-shaped rotary screw for quick tightening to firmly prop form panels in place, locks spacing and prevents outward bulging during concrete pouring. Adjustable Range: The bracket supports horizontal extension up to 12.2in and vertical height fits 11.8in-21.6in wall forms, flexible to match different cement wall construction dimensions on site. Fast Mount Base: Top & bottom fixing plates with pre-punched holes for fast bolt mounting on wood or steel forms, cut down field setup time efficiently.(Note:Not Include Boards or Naiis) Tough Surface: Uniform finished outer layer effectively blocks concrete splatter, gravel friction and frequent scratch abrasion from rough daily construction operations, keeping the frame intact during long-term site use. Lightweight Frame: Optimized triangular steel frame keeps solid bearing strength while lowering dead weight, one worker is able to move and mount single brace effortlessly.