Quality Spring Calipers- Measuring Engineering Workshop Hand TOOLSom (4"/ 100 MM - Inside Caliper)

• Industrial Tool Steel Build: Manufactured from premium-quality tool steel, this 4" (100 mm) Inside Caliper is built for long-term reliability. The robust construction and hardened points ensure it remains a durable staple for all your internal measurement needs.
• Hardened Bow Springs & Fulcrum Spools: Equipped with hardened bow springs and heavy-duty fulcrum spools, the mechanism provides uniform tension with zero "play." This ensures a stable feel and guaranteed accuracy every time you take a reading.
• Precision Internal Measurement: This tool is expertly designed for measuring and transferring the internal diameter (ID) of holes, slots, and hollow workpieces. It is an essential instrument for high-accuracy boring and lathe operations.
• Quick & Positive Adjustment: Featuring a precision adjusting screw with a self-seating washer and nut, this mechanism allows for rapid and positive adjustments. Once set, the dimension stays securely locked in place during transfer.
• Forged Steel Legs: The legs are forged for maximum structural integrity, offering high resistance to wear and tear. This ensures that the tool maintains professional-grade accuracy even under heavy, daily workshop use.
• Compact 4-Inch Design: The 100 mm size is ideal for measuring small parts and navigating tight, restricted spaces. This pocket-sized tool is exceptionally easy to handle and fits perfectly into any technician’s or hobbyist’s toolkit.
• Accurate Transfer with Rulers: For the most reliable results, this caliper is designed to be used in conjunction with precision steel rules. It remains the most trusted manual method for verifying unknown internal dimensions.
• Trusted ASSORTS Craftsmanship: Designed by Assorts Machine Tools, this professional-grade caliper is the top choice for machinists, hobbyists, and engineering students who demand accuracy and quality.

Dispatch Time: 1–2 business days
International Delivery: 5–12 business days (location-wise)
Tracking: End-to-end international tracking available
Packaging: Shockproof & secure export packaging
Customs/Duties: May apply based on destination country
Carrier: DHL / FedEx / UPS (depending on region)

Warranty: 6–12 months (manufacturing defects only)
Returns: Accepted for defective, damaged, or incorrect items
Return Window: 7 days from delivery
Replacement: Free replacement for eligible claims
Process: Email support with product video/photos
Note: Used/damaged by customer items not returnable

Read the user manual before first use

Wear safety gloves & eye protection when required

Keep away from children

Do not overload or misuse the product

Store in a dry, moisture-free environment

Clean tools after use to maintain performance