The IM SKR133 is a 20.5mm x 0.56mm Blade Reciprocating and is an equivalent of the Stryker 5100-137-133
The IM SKR275 is a 68mm x 0.92mm Double Sided Reciprocating Blade and is an equivalent of the Stryker 277-96-275
The IM SKR134 is a 25.5mm x 0.56mm Blade Reciprocating and is an equivalent of the Stryker 5100-137-134
