Welcome to our store,We are a pro hardware shop,Here we warrantly high quality product and fast-rate service. Features: one hundred pc Brand new Complete with all solving screws Adjustable back set door latch Lightly sprung for ease of opening. Concealed fixing from one side Thumb turn lock on inside - smooth exit on emergency Emergency release / slot on outdoors These classical door knobs are fabricated from high-quality Beech. They are Easy to install, every single set is supplied with fittings. Ideal for bedrooms, residing rooms, bathrooms, etc. Specification: Material: Beech+stainless metallic Lock margin: 60/70mm Applicable door thickness: 35-50mm Package included: 1 x Door Lock Note: 1. Due to the hand measurement, there have length error about 1-2cm. 2. Due to the difference between different monitors, the image might not be reflecting the actual the item, Thank you in your understanding.