Photo 1 of 
Summer Banister to Banister Gate Mounting Kit - Fits Round or Square Banisters, Accommodates Most Hardware & Pressure Mount Baby Gates up to 37”...

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Photo 1 of 
Summer Banister to Banister Gate Mounting Kit - Fits Round or Square Banisters, Accommodates Most Hardware & Pressure Mount Baby Gates up to 37”...Photo 2 of 
Summer Banister to Banister Gate Mounting Kit - Fits Round or Square Banisters, Accommodates Most Hardware & Pressure Mount Baby Gates up to 37”...