The CRL Multi Function Tool is perfect for sealant removal and hack-out projects. Cuts insulating glass units apart with ease and even removes hardened glazing putty. The oscillating variable speed head is capable of 11,000 to 22,000 3.2 degree oscillations per minute. Blades can be locked down at any angle to help with access to tight locations and to promote comfort during use. Switch to the hook-loop sanding backer pad and the MFT1 becomes a very effective glass edge seaming tool. Kit comes complete with Double Insulated Multi Function Tool, plastic storage case, 5 assorted high quality blades, the sander pad, and a blade wrench.