The BHP Bench Wind-On Jig: is a heavy-duty-bench mount jig designed for a lifetime of use. Made for use with the Beiter Winder, the leader connection is held super-tight with no slip or abrasion, providing ample vertical and horizontal working space. Works equally well for half-hitched servings. Machined from polished aluminum and stainless steel. Horizontal working room is 24in. The BHP Portable Wind-On Jig: is a heavy duty jig that can be used anywhere. The jig collapses and stores in a Plano 3700 Case (included) along with your other wind-on tools. The connection is held tight with no damage, ideal for serving with the Beiter Winder Tool. Velcro strips are included to provide adhesion on carpeted long range rigging tables. Working room is 18in. Features: Machined construction for strength and sturdiness Exceptionally durable Padded rubber surfaces in both posts to grip line without causing any damage while serving Both Jigs have the ability to be mounted (drilled) into a workbench Designed for a lifetime of use Specifications: Model Length Width Height Bolts Bolts + Allen Key Included BHP BenchWind-On Jig 23.75 in 2 in 7.75 in 2x YES BHP PortableWind-On Jig 17.5 in 8.75 in 7.75 in 6x YES