Description of Pin Tumbler Lock Product name: mechanical Pin tumbler lock, Production technology: Pig iron casting lock shell or sheet metal stamping lock shell Lock cylinder: copper material or aluminium alloy Keys: 3 pcs, copper or iron material Application place: wooden door, iron door, stainless steel door. Lock Net weight: 0.35 KGS/pcs Packing size: 1-- Pig iron casting lock shell Double blister card: 24 pcs/wooden box, G.w./Wooden box: 13.00 kgs. Small paper box: 30 pcs/wooden box, G.w./Wooden box: 15.00 kgs. 2sheet metal stamping lock shell Double blister card: 24 pcs/wooden box, G.w./Wooden box: 12.00 kgs. Small paper box: 30 pcs/wooden box, G.w./Wooden box: 13.50 kgs. Key unlocked outside, button locked inside Standard 60mm, (2.3/8) backset Easy to install instruction enclosed. Origin: Made in China.