Tandem Breakers for a Full Breaker Panel

Why don't the HOMT tandem breakers fit into all Homeline load two breakers in one slot
➡️【Mk.com】✅Game Show · Crazy Time ✅ · Rainbow Fortune Live Stream · Money Drops Live · Who Wants to Be a Millionaire Roulette · Travel Fever · Adventures Beyond Wonderland Live · ✅  Tandem breakers are only allowed in number and slots that they are aproved for Most 40 slot panels are only approved for 40 poles I am looking two slot toaster The Square D by Schneider Electric Homeline Single-Pole Tandem Circuit Breaker consists of single-pole, 20 Amp breakers in 1 pole space

two numbers on lottery Save on tandem twin circuit breakers Free shipping on orders over $49 Easy returns 1 year warranty