Micro Tools [India] Pvt. Ltd. Offers Stainless Steel Door Latch. Micro Tools [India] Pvt. Ltd. Is an ISO 9002 and QS 9000 company. Stainless Steel Door Latch is finely engineered and polished. It imparts a stylish look to the décor and is immaculately engineered and polished to impart the doors a charismatic look.