The Master Lock 643D Set Your Own Combination Padlock features a 1-9/16in (40mm) wide metal body for durability. The 1/4in (6mm) diameter shackle is 7/8in (22mm) long and made of nickel plated steel, offering resistance to cutting and sawing. The 4 dial combination security offers keyless convenience. The Limited Lifetime.
From the Manufacturer
The Master Lock 643D is a resettable 4-digit combination padlock. Body width: 1-9/16″ (40mm), Shackle: 1/4″, Vertical clearance: 7/8″, Horizontal clearance: 1″. Resettable to over 10,000 personalized combinations.
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Indoor padlock is best used for cabinets and school, employee, athletic, and indoor storage lockers
Set your own four digit combination lock for easy combination recall
Small combination lock is constructed with a solid metal body and nickel plated steel shackle
1-9/16 in. (40 mm) wide lock body; 1/4 in. (6 mm) diameter shackle with 7/8 in. (22 mm) length, 7/8 in. (22 mm) width
Shackle is preset to open on 0-0-0-0; for combination reset instructions, see User Manual in Technical Specifications section of this page