Replacement Plate with Pins (for Models 16 & 21 Stretcher) Posted on September 27, 2017May 14, 2021 by dneundorf View cart “Kneepad Replacement/Model 21” has been added to your cart. $59.00 Replacement Plate with Pins (for Models 16 & 21 Stretcher) quantity Add to cart SKU: bypart-1 Category: Parts Description Description Replacement Plate with Pins for Model 16 & 21 Kneeless Carpet Stretcher Related products Kneepad Replacement/Model 21 $18.00 Add to cart