Balance Insert Mod for MachineWise Sasori & Tottori

Assembly Instructions Product Description Add tip-weight to your MachineWise Sasori and Tottori balisong trainers with these custom-made Zippy blade inserts. The inserts add up to 0.075 oz to the blade to fine-tune the balance and weight distribution to your preference. Features Add blade inserts for a more neutral balance, and fine-tune the weight distribution of your MachineWise Sasori and Tottori trainers with the included tungsten-weighted insert. Inserts weigh 0.055 oz, or up to 0.075 oz with the included weighted tip. Pops in with your thumb and fits securely in the Sasori and Tottori trainer blade cutouts so it won't fall off on hard drops. Made of a shatter-proof rubbery polyurethane.