TCW1S450 Bosch Wheels 1-5/8-Inch 4-Tube Full Length Headers; Stainless Steel (59-60 Pack Of 25 Abrasive Discs Aluminum oxide special grain cuts high-tensile strength materials without excessive fracturing 1.4016 (430) 1.4512 (409) 1.4000 (410S) 1.4521 (444) Stainless Steel... Rapido technology performs up to 50% faster , Requires less force Diablo Metalworking Cut-Off & Chop Wheels 50 Pack Cut Off Not to exceed 13,280 RPM Excellent for vibration-free cutting/no burning Bosch 4″ Stainless Steel Cutting Wheel 105×1.2x16mm Bosch premium-grade wheels are constructed of high-quality material for metal, concrete, masonry, pipeline, asphalt and stainless steel cutting. Used at a 90-degree angle; For cutting only, no grinding Easy-to-read labels are incorporated into the manufacturing process and therefore remain intact throughout the life of the wheel.