Owfeel Dual Push Flushing Button Toilet Tank Button 38mm Thread Diamete Thread diameter:approx.38mm/ Rod length:approx.112mm/ Weight: 35g Pls check clear your size of the toilet lid hole, Compatiable with most dual flush toilet with 38mm hole in the cistern lid Pls check clear your size of the toilet lid hole, Compatiable with most dual flush toilet with 38mm hole in the cistern lid Outside head make of plastic and silver spray painting Dual Flush Toilet Push Buttons