HHIP Granite Surface Plate, Grade B, 12 x 9 x 3 vs HHIP granite surface plate 6x8x2, grade B, with certificate

Overall winner: HHIP Granite Surface Plate, Grade B, 12 x 9 x 3

Key Differences

Product A (12" x 9" x 3") offers a larger working surface and is listed at a lower price tier than Product B. Product B is smaller (6" x 8" x 2") but shares Grade B accuracy and an inspection certificate; both lack NIST traceability and have mixed flatness/finish feedback

HHIP Granite Surface Plate, Grade B, 12 x 9 x 3

HHIP Granite Surface Plate, Grade B, 12 x 9 x 3

HHIP • ★ 3.9/5 • Mid-Range

Granite surface plate precision ground for flatness. Grade B with certificate of inspection (not NIST traceable). Useful for measuring, laying out parts, and calibrating instruments. Customers note good size and weight, with mixed views on flatness and surface finish

Pros

  • precision ground top surface
  • certificate of inspection included
  • suitable size for small shops
  • substantial weight for stability

Cons

  • not NIST traceable
  • mixed feedback on flatness and finish
  • some reports of scratches
Check current price on Amazon →
HHIP granite surface plate 6x8x2, grade B, with certificate

HHIP granite surface plate 6x8x2, grade B, with certificate

HHIP • ★ 3.9/5 • Mid-Range

Granite surface plate precision ground for flatness; Grade B with certificate of inspection. Useful for measuring, laying out parts, and calibrating tools. Customers note solid size for small shops and weight as a plus

Pros

  • precision ground top surface
  • includes certificate of inspection
  • sized for small shops
  • weight contributes stability

Cons

  • mixed feedback on flatness and surface finish
  • not NIST traceable
  • some reported scratches
Check current price on Amazon →

Head-to-Head

CriteriaWinner
Price HHIP
Durability Tie
Versatility HHIP
User Reviews Tie