Depth Base Attachment $44.22 Quantity discounts available QuantityPrice SKU: 521250040 This item is IN STOCK Quantity -+ Add to Cart Details Features:• Turn your dial or electronic indicator into a depth gage• 4" length• Fits indicators with 3/8" mounting stem or 8mm mounting stem, adaptor ... Details Back DetailsFeatures:• Turn your dial or electronic indicator into a depth gage• 4" length• Fits indicators with 3/8" mounting stem or 8mm mounting stem, adaptor bushing included• Ground and lapped base