Features: High quality, rubber, extremely abrasion resistant fitting top mount Directions: Screw the screw to tighten the shell extension with a Phillips screw, and the toilet lid locks into the toilet bowl. Each set of rubber stopper top and two screws. Description: Material: SUS304 Stainless Steel + NBR Rubber
Figure 1 includes 304 stainless steel screw + 1 NBR rubber bushings
Figure 1 requires 2 fixed toilet extension screws. Note: 1.1 inch = 2.45 cm / 1 Cm asymp; 0.393 inch
2. Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you bid. 3. Due differences between different monitors, the picture may not reflect the actual color of the item. Thank you!