The maximum sharpness / Made in Japan /OLFA 45 mm tungsten steel Ergonomic Rotary Cutter & 45mm Rotary Blade Refill, 1-Pack Value Set Ergonomic comfort-grip handle For both right- and left-handed users Cuts up to six layers of fabric Suitable for medium- to heavy-duty projects & Blade self-retracts into handle for safety The discount set which adjusted a main unit and 1 replacement blades Handle is curved to provide minimum wrist turns Raised inserts on handle for control and comfort Cutter designed for left- and right-handed operation. Note, blade assembly must be reversed for left-handed use. Blade is engaged with easy squeeze handle and retracts when not in use Cutter can accommodate 45mm rotary replacement blades and decorative blade edges Cutting intricate shapes, small or tight curves, applique, miniature quilting projects Cutting templates, trimming seams, paper piecing Great for small-scale sewing and quilting projects Cutting strips,s quaring blocks and pattern cutting Available with traditional handle Most popular size Cut through up to 8 layers of cotton fabric with accuracy Available with the Traditional, Ergonomic or Quick-Change handle Cut through up to 12 layers of cotton fabric with accuracy Fantastic for cutting fleece, felt, wool, leather, suede, even bamboo! Available with the Traditional, Ergonomic or Quick-Change Handle Leff- and right-handed usage Thumb-activated blade guard Available in 28mm, 45mm, and 60m sizes Handle is curved to provide minimum, wrist turns Cutter designed for left- and right-handed operation. Blade assembly must be reversed for left-handed use Blade is engaged with easy squeeze handle and retracts when not in use Features a dual-action safety lock - lock open for comfort and closed for safety and travel Two-step blade change: slide back on blade assembly and remove Elastomer grip provided on both sides of the handle for anti-slip and less hand fatigue Optimal left- and right-handed blades switch so no adjustments to blade are necessary for any user Blade safety cover is operated by left and right blade switch (Remember to close blade cover when not in use) Available in 3 colors Contoured handle for comfortable cutting Integrated groves to help prevent finger slippage Quick-blade change