Hose Connection IAS 2 454757 by Festool Sanding Disc Tomer Botner Knife Maker & 55588 Tomer Botner Knife Maker & Founder of Florentine Kitchen Knives This is my Tormek T 8 Custom SB 250 Tormek Blackstone Silicon SG 250 Tormek Original Grindstone SJ 250 Tormek Japanese Waterstone LA 220 Leather Honing Wheel CW 220 Composite Honing Wheel SVM 45 Knife Jig SVM 140 Knife Jig US 430 Universal Support Extended SP 650 Stone Grader TT 50 Truing Tool RB 180 Rotating Base PA 70 Honing Compound Comment As I sharpen about 100 knives a week in my work To best suit an ever expanding range of joining application Specifications External conus 58 mm