STANDARD PROFILE - 9/16" BULLNOSE
MODERN PROFILE - 1/4" ROUNDOVER
Winder Treads are used in stairways where the staircase makes a ninety degree turn, requiring the treads to be cut in a pie shape.
Note: 3 Pieces Make Up A Winder Set
Winders come in both left hand and right hand sets.
Shown above is a left hand winder set... note the small points of the winder are on the left hand side