Suitable for: Concrete, lightweight concrete,sand-lime bricks,solid red bricks,pumice solid bricks,solid gypsum,natural stone etc.

Scope of application: Closet, lighter hanging cupboard, curtains chute, skirting boards, electrical switches, cable trough, lamp, cable card tube, mirrors, towel racks, mirror frames, soap dish ......

Features: Inverted binding mode of assassination and friction fixed in solid building materials, relying on a fixed convex combination of methods.

A smaller screw-in torque and a higher fixed-torque.

Applicable to all types: screws,Particleboard screws, wood screws.

Better material to ensure a long security.

Color:gray,white other color made welcome. 

expansion glug